Datasheet 74alvt162821 DATASHEETS (Philips)

Page 1
INTEGRATED CIRCUITS
74ALVT162821
2.5V/3.3V 20-bit bus-interface D-type flip-flop; positive-edge trigger with 30 termination resistors (3-State)
Product specification Supersedes data of 1997 Feb 13 IC23 Data Handbook
 
1998 Oct 02
Page 2
Philips Semiconductors Product specification
SYMBOL
PARAMETER
UNIT
2.5V/3.3V 20-bit bus-interface D-type flip-flop; positive-edge trigger with 30 termination resistors (3-State)

FEA TURES

•Outputs include series resistance of 30 making external
termination resistors unnecessary
•20-bit positive-edge triggered register
•5V I/O Compatible
•Multiple V
and GND pins minimize switching noise
CC
•Live insertion/extraction permitted
•Power-up reset
•Power-up 3-State
•Output capability +12mA/-12mA
•Latch-up protection exceeds 500mA per Jedec Std 17
•ESD protection exceeds 2000V per MIL STD 883 Method 3015
and 200V per Machine Model
•Bus hold data inputs eliminate the need for external pull-up
resistors to hold unused inputs

DESCRIPTION

The 74ALVT162821 high-performance BiCMOS device combines low static and dynamic power dissipation with high speed and high output drive. It is designed for V compatibility to 5V .
The 74ALVT162821 has two 10-bit, edge triggered registers, with each register coupled to a 3-State output buffer. The two sections of each register are controlled independently by the clock (nCP) and Output Enable (nOE
Each register is fully edge triggered. The state of each D input, one set-up time before the Low-to-High clock transition, is transferred to the corresponding flip-flop’s Q output.
The 3-State output buffers are designed to drive heavily loaded 3-State buses, MOS memories, or MOS microprocessors.
The active Low Output Enable (nOE independent of the register operation. When nOE the register appears at the outputs. When nOE are in high impedance “off” state, which means they will neither drive nor load the bus.
The 74ALVT162821 is designed with 30 series resistance in both High and Low output stages. This design reduces the line noise in applications such as memory address drivers, clock drivers and bus receivers/transmitters. The series termination resistors reduce overshoot and undershoot and are ideal for driving memory arrays.
CC
) control gates.
74AL VT162821
operation at 2.5V or 3.3V with I/O
) controls all ten 3-State buffers
is Low, the data in
is High, the outputs

QUICK REFERENCE DATA

TYPICAL
2.5V 3.3V
4.4
3.8 3 3 pF 9 9 pF
3.2
3.2
C
t
PLH
t
PHL
C
OUT
I
CCZ
CONDITIONS
T
= 25°C
amb
Propagation delay nCP to nQ
IN
Input capacitance VI = 0V or V Output capacitance VO = 0 or V Total supply current Outputs disabled 40 70 µA
CL = 50pF
CC
CC

ORDERING INFORMATION

PACKAGES TEMPERATURE RANGE OUTSIDE NORTH AMERICA NORTH AMERICA DWG NUMBER
56-Pin Plastic SSOP Type III –40°C to +85°C 74ALVT162821 DL AV162821 DL SOT371-1 56-Pin Plastic TSSOP Type II –40°C to +85°C 74ALVT162821 DGG AV162821 DGG SOT364-1
ns
1998 Oct 02 853-2041 20127
2
Page 3
Philips Semiconductors Product specification
2.5V/3.3V 20-bit bus-interface D-type flip-flop; positive-edge trigger with 30 termination resistors (3-State)

LOGIC SYMBOL

55 54 52 51 49 48 47 45 44 43
1D0 1D1 1D2 1D3 1D4 1D5 1D6 1D7
1CP
56
1OE
1
1Q0 1Q1 1Q2 1Q3 1Q4 1Q5 1Q6 1Q7
2 3 5 6 8 9 10 12 13 14
42 41 40 38 37 36 34 33 31 30
2D0 2D1 2D2 2D3 2D4 2D5 2D6 2D7
29
2CP
28
2OE
2Q0 2Q1 2Q2 2Q3 2Q4 2Q5 2Q6 2Q7
15 16 17 19 20 21 23 24 26 27

LOGIC SYMBOL (IEEE/IEC)

1OE
1CP
2OE
2CP
1D0 1D1 1D2 1D3 1D4 1D5 1D6 1D7 1D8
1D9 2D0 2D1 2D2 2D3 2D4 2D5 2D6 2D7 2D8 2D9
1 56 28 29
55 54 52 51 49 48 47 45 44
43 42 41 40 38 37 36 34 33 31 30
EN2
C1
EN4
C3
1D
3D
2 ∇
4 ∇
1D8 1D9
1Q8 1Q9
2D8 2D9
2Q8 2Q9
SH00002
2 3 5 6 8
9 10 12 13 14 15 16 17 19 20 21 23 24 26 27
SH00003
1Q0 1Q1 1Q2 1Q3 1Q4 1Q5 1Q6 1Q7 1Q8
1Q9 2Q0 2Q1 2Q2 2Q3 2Q4 2Q5 2Q6 2Q7 2Q8 2Q9

PIN CONFIGURATION

SCHEMATIC OF EACH OUTPUT

1 2
1Q0
3
1Q1
4
GND
5
1Q2
6
1Q3
7
V
CC
8
1Q4
9
1Q5
10
1Q6
11
GND
12
1Q7
13
1Q8
14
1Q9
15
2Q0
16
2Q1
17
2Q2
18
GND
19
2Q3
20
2Q4
21
2Q5
22
V
CC
23
2Q6
24
2Q7
25
GND
26
2Q8
27
2Q9
28 29
2OE
V
CC
74ALVT162821
561OE
1CP
55
1D0
54
1D1
53
GND
52
1D2
51
1D3
50
V
CC
49
1D4
48
1D5
47
1D6
46
GND
45
1D7
44
1D8
43
1D9
42
2D0
41
2D1
40
2D2
39
GND
38
2D3
37
2D4
36
2D5
35
V
CC
34
2D6
33
2D7
32
GND
31
2D8
30
2D9 2CP
SH00001
V
CC
27Ω
27Ω
OUTPUT
SW00007
1998 Oct 02
3
Page 4
Philips Semiconductors Product specification
INTERNAL
OPERATING
2.5V/3.3V 20-bit bus-interface D-type flip-flop; positive-edge trigger with 30 termination resistors (3-State)

PIN DESCRIPTION

PIN NUMBER SYMBOL FUNCTION
55, 54, 52, 51, 49, 48, 47, 45, 44, 43, 42, 41, 40, 38, 37,
1D0 - 1D9 2D0 - 2D9
Data inputs
36, 34, 33, 31, 30
2, 3, 5, 6, 8, 9, 10,
12, 13, 14,
15, 16, 17, 19, 20,
1Q0 - 1Q9 2Q0 - 2Q9
Data outputs
21, 23, 24, 26, 27
1, 28 1OE, 2OE
56, 29 1CP, 2CP
4, 11, 18, 25, 32,
39, 46, 53
7, 22, 35, 50 V
GND Ground (0V)
CC
Output enable inputs (active-Low)
Clock pulse inputs (active rising edge)
Positive supply voltage

LOGIC DIAGRAM

FUNCTION TABLE

INPUTS
nOE nCP nDx
L
↑
L
↑
L ↑ X NC NC Hold
H
↑
H
↑XDn
H = High voltage level h = High voltage level one set-up time prior to the Low-to-High
clock transition L = Low voltage level l = Low voltage level one set-up time prior to the Low-to-High
clock transition NC= No change X = Don’t care Z = High impedance “off” state ↑ = Low to High clock transition
= Not a Low-to-High clock transition
↑
l
h
INTERNAL REGISTER
L
H
NC
Dn
74ALVT162821
OUTPUTS nQ0 - nQ9
L
H
Z Z
OPERATING
MODE
Load and read
register
Disable outputs
nCP
nOE
nD0
D
CP Q
nQ0
nD1
D
CP Q
nQ1
nD2
D
CP Q
nQ2
nD3
D
CPQ
nQ3
nD4
D
CP Q
nQ4
nD5
D
CPQ
nQ5
nD6
D
CP Q
nQ6
nD7
D
CPQ
nQ7
nD8
D
CPQ
nQ8
nD9
D
CPQ
nQ9
SH00004
1998 Oct 02
4
Page 5
Philips Semiconductors Product specification
I
DC output current
mA
SYMBOL
PARAMETER
UNIT
2.5V/3.3V 20-bit bus-interface D-type flip-flop; positive-edge trigger with 30 termination resistors (3-State)

ABSOLUTE MAXIMUM RATINGS

SYMBOL
V
CC
I
IK
V
I
I
OK
V
OUT
DC supply voltage –0.5 to +4.6 V DC input diode current VI < 0 –50 mA DC input voltage DC output diode current VO < 0 –50 mA DC output voltage
PARAMETER CONDITIONS RATING UNIT
3
3
1, 2
Output in Off or High state –0.5 to +7.0 V
74ALVT162821
–1.2 to +7.0 V
Output in Low state 128
OUT
T
stg
p
Output in High state –64
Storage temperature range –65 to 150 °C
NOTES:
1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability .
2. The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed 150°C.
3. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.

RECOMMENDED OPERATING CONDITIONS

2.5V RANGE LIMITS 3.3V RANGE LIMITS MIN MAX MIN MAX
V
CC
V
V
V
I
OH
I
OL
∆t/∆v Input transition rise or fall rate; Outputs enabled 10 10 ns/V
T
amb
DC supply voltage 2.3 2.7 3.0 3.6 V Input voltage 0 5.5 0 5.5 V
I
High-level input voltage 1.7 2.0 V
IH
Input voltage 0.7 0.8 V
IL
High-level output current –8 –12 mA Low-level output current 12 12 mA
Operating free-air temperature range –40 +85 –40 +85 °C
1998 Oct 02
5
Page 6
Philips Semiconductors Product specification
VOHHigh-level out ut voltage
V
VOLLow–level out ut voltage
V
IIIn ut leakage current
4
µA
Data ins
4
Bus Hold current
Data inputs
7
2.5V/3.3V 20-bit bus-interface D-type flip-flop; positive-edge trigger with 30 termination resistors (3-State)
DC ELECTRICAL CHARACTERISTICS (3.3V 0.3V RANGE)
V
V
RST
I
OFF
I
HOLD
I
EX
I
PU/PD
I
OZH
I
OZL
I
CCH
I
CCL
I
CCZ
∆I
NOTES:
1. All typical values are at V
2. This is the increase in supply current for each input at the specified voltage level other than V
3. This parameter is valid for any V transition time of 100µsec is permitted. This parameter is valid for T
4. Unused pins at V
5. I
CCZ
6. For valid test results, data must not be loaded into the flip-flops (or latches) after applying power.
7. This is the bus hold overdrive current required to force the input to the opposite logic state.
Input clamp voltage VCC = 3.0V; IIK = –18mA –0.85 –1.2 V
IK
p
VCC = 3.0 to 3.6V; IOH = –100µA VCC–0.2 V VCC = 3.0V; IOH = –32mA 2.0 2.3 VCC = 3.0V; IOL = 100µA 0.07 0.2
p
VCC = 3.0V; IOL = 16mA 0.25 0.4 VCC = 3.0V; IOL = 32mA 0.3 0.5 VCC = 3.0V; IOL = 64mA 0.4 0.55
Power-up output low voltage6VCC = 3.6V; IO = 1mA; VI = VCC or GND 0.55 V
VCC = 3.6V; VI = VCC or GND Control pins 0.1 ±1
p
VCC = 0 or 3.6V; VI = 5.5V 0.1 10 VCC = 3.6V; VI = V VCC = 3.6V; VI = 0V
CC
p
Off current VCC = 0V; VI or VO = 0 to 4.5V 0.1 ±100 µA
VCC = 3V; VI = 0.8V 75 130
p
Current into an output in the High state when VO > V
Power up/down 3-State output
3
current
CC
3-State output High current VCC = 3.6V; VO = 3.0V; VI = VIL or V 3-State output Low current VCC = 3.6V; VO = 0.5V; VI = VIL or V
Quiescent supply current VCC = 3.6V; Outputs Low, VI = GND or V
Additional supply current per
CC
is measured with outputs pulled up to VCC or pulled down to ground.
input pin
2
or GND.
CC
= 3.3V and T
CC
CC
between 0V and 1.2V with a transition time of up to 10msec. From V
VCC = 3V; VI = 2.0V –75 –140 VCC = 0V to 3.6V; VCC = 3.6V ±500
VO = 5.5V; VCC = 3.0V 10 125 µA VCC ≤ 1.2V; VO = 0.5V to VCC; VI = GND or V
OE/OE = Don’t care
IH IH
VCC = 3.6V; Outputs High, VI = GND or V
VCC = 3.6V; Outputs Disabled; VI = GND or V
CC
I
0 0.07 0.1
CC,
O =
I
0 5.1 7 mA
CC,
O =
I
CC,
VCC = 3V to 3.6V; One input at VCC–0.6V, Other inputs at VCC or GND
= 25°C.
amb
= 25°C only.
amb
CC
5
0
O =
or GND
74ALVT162821
LIMITS
MIN TYP1MAX
CC
0.5 1
0.1 -5
1 ±100 µA
0.5 5 µA
0.5 –5 µA
0.07 0.1
0.04 0.4 mA
= 1.2V to VCC = 3.3V ± 0.2V a
CC
µA
AC CHARACTERISTICS (3.3V 0.3V RANGE)
GND = 0V; tR = tF = 2.5ns; CL = 50pF; RL = 500Ω; T
f
MAX
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
NOTE:
1. All typical values are at V
1998 Oct 02
= –40°C to +85°C.
amb
SYMBOL PARAMETER WAVEFORM
Maximum clock frequency 1 150 MHz Propagation delay
nCP to nQx Output enable time
to High and Low level Output disable time
from High and Low level
= 3.3V and T
CC
amb
= 25°C.
1 3
4 3
4
6
LIMITS
T
= –40 to +85oC
amb
VCC = +3.3V
MIN TYP MAX
1.0
1.0
1.0
0.5
1.5
1.5
3.2
3.2
3.4
2.3
3.7
3.0
5.0
4.7
5.6
3.7
5.4
4.3
UNIT
ns
ns
ns
Page 7
Philips Semiconductors Product specification
VOHHigh-level out ut voltage
V
IIIn ut leakage current
4
µA
Data ins
4
HOLD
2.5V/3.3V 20-bit bus-interface D-type flip-flop; positive-edge trigger with 30 termination resistors (3-State)
74ALVT162821
AC SETUP REQUIREMENTS (3.3V 0.3V RANGE)
GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500Ω
LIMITS
T
= -40 to +85oC
SYMBOL PARAMETER WAVEFORM
amb
VCC = +3.3V ±0.3V
UNIT
MIN TYP
ts(H) ts(L)
th(H) th(L)
tw(H) tw(L)
Setup time, High or Low nDx to nCP
Hold time, High or Low nDx to nCP
nCP pulse width High or Low
1
2
2
1.5
1.5
0.5
0.5
1.5
1.5
0.1
0.1
0.1
0.1
ns
ns
ns
DC ELECTRICAL CHARACTERISTICS (2.5V 0.2V RANGE)
LIMITS
SYMBOL PARAMETER TEST CONDITIONS Temp = -40°C to +85°C UNIT
MIN TYP1MAX
V
V
V
RST
I
OFF
I
HOLD
I
EX
I
PU/PD
I
OZH
I
OZL
I
CCH
I
CCL
I
CCZ
∆I
NOTES:
1. All typical values are at V
2. This is the increase in supply current for each input at the specified voltage level other than V
3. This parameter is valid for any V transition time of 100µsec is permitted. This parameter is valid for T
4. Unused pins at V
5. I
CCZ
6. Not guaranteed.
7. For valid test results, data must not be loaded into the flip-flops (or latches) after applying power.
Input clamp voltage VCC = 2.3V; IIK = –18mA –0.85 –1.2 V
IK
p
VCC = 2.3 to 3.6V; IOH = –100µA VCC–0.2 V VCC = 2.3V; IOH = –8mA 1.8 2.1
CC
VCC = 2.3V; IOL = 100µA 0.07 0.2
Low-level output voltage
OL
VCC = 2.3V; IOL = 24mA 0.3 0.5 VCC = 2.3V; IOL = 8mA 0.4
Power-up output low voltage7VCC = 2.7V; IO = 1mA; VI = VCC or GND 0.55 V
VCC = 2.7V; VI = V
p
VCC = 0 or 2.7V; VI = 5.5V 0.1 10 VCC = 2.7V; VI = V VCC = 2.7V; VI = 0
or GND Control pins 0.1 ±1
CC
CC
p
0.1 1
0.1 -5 Off current VCC = 0V; VI or VO = 0 to 4.5V 0.1 100 µA Bus Hold current VCC = 2.3V; VI = 0.7V 90 µA
3
2
or GND.
CC
6
CC
VCC = 2.3V; VI = 1.7V –10 µA
CC
VO = 5.5V; VCC = 2.3V 10 125 µA VCC ≤ 1.2V; VO = 0.5V to VCC; VI = GND or V
OE/OE = Don’t care
IH IH
VCC = 2.7V; Outputs High, VI = GND or V
CC,
CC,
VCC = 2.7V; Outputs Disabled; VI = GND or V VCC = 2.3V to 2.7V; One input at VCC–0.6V,
Other inputs at VCC or GND
= 2.5V and T
between 0V and 1.2V with a transition time of up to 10msec. From V
CC
amb
= 25°C.
= 25°C only.
amb
CC
1 100 µA
0.5 5 µA
0.5 –5 µA
I
0 0.04 0.1
O =
I
0 2.3 4.5 mA
O =
CC,
5
I
O =
0
0.04 0.1
0.04 0.4 mA
or GND
CC
= 1.2V to VCC = 2.5V ± 0.3V a
CC
Data inputs Current into an output in the
High state when VO > V Power up/down 3-State output
current 3-State output High current VCC = 2.7V; VO = 2.3V; VI = VIL or V 3-State output Low current VCC = 2.7V; VO = 0.5V; VI = VIL or V
Quiescent supply current VCC = 2.7V; Outputs Low, VI = GND or V
Additional supply current per
CC
input pin
is measured with outputs pulled up to VCC or pulled down to ground.
V
1998 Oct 02
7
Page 8
Philips Semiconductors Product specification
2.5V/3.3V 20-bit bus-interface D-type flip-flop; positive-edge trigger with 30 termination resistors (3-State)
AC CHARACTERISTICS (2.5V "0.2V RANGE)
GND = 0V; tR = tF = 2.5ns; CL = 50pF; RL = 500Ω; T
SYMBOL PARAMETER WAVEFORM
f
MAX
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
Maximum clock frequency 1 150 MHz Propagation delay
nCP to nQx Output enable time
to High and Low level Output disable time
from High and Low level
NOTE:
1. All typical values are at V
= 3.3V and T
CC
amb
AC SETUP REQUIREMENTS (2.5V "0.2V RANGE)
GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500Ω
SYMBOL PARAMETER WAVEFORM
ts(H) ts(L)
th(H) th(L)
tw(H) tw(L)
Setup time, High or Low nDx to nCP
Hold time, High or Low nDx to nCP
nCP pulse width High or Low
= –40°C to +85°C.
amb
= 25°C.
1 3
4 3
4
1
2
2
74ALVT162821
LIMITS
T
= -40 to +85oC
amb
VCC = +2.5V ±0.2V
MIN TYP MAX
1.0
1.0
1.5
1.0
1.5
1.0
4.4
3.8
4.6
2.8
3.5
3.7
LIMITS
T
= -40 to +85oC
amb
VCC = +2.5 ±0.2V
MIN TYP
1.5
2.0
0.3
0.5
0.1
0.5
–0.5 –0.1
1.5
1.5
7.0
6.4
7.5
4.6
5.5
5.7
UNIT
ns
ns
ns
UNIT
ns
ns
ns

AC WAVEFORMS

VM = 1.5V at VCC w 3.0V; VM = VCC/2 at VCC v 2.7V
= VOL + 0.3V at VCC w 3.0V; VX = VOL + 0.15V at VCC v 2.7V
V
X
V
= VOH – 0.3V at VCC w 3.0V; VY = V
Y
1/f
MAX
nCP
nQx
V
M
tw(H)
t
PH
V
M
L
tw(L)
V
M
V
Waveform 1. Propagation Delay, Clock Input to Output,
Clock Pulse Width, and Maximum Clock frequency
– 0.15V at VCC v 2.7V
OH
3.0V or V whichever
M
t
PLH
V
M
is less
0V
V
OH
V
OL
SH00005
3.0V or V
CC
whichever
CC
nDx
CP
V
V
M
M
th(H)ts(H)
V
M
V
V
M
M
th(L)ts(L)
V
M
is less
0V
3.0V or V whichever is less
0V
SH00006
CC
Waveform 2. Data Setup and Hold Times
1998 Oct 02
8
Page 9
Philips Semiconductors Product specification
2.5V/3.3V 20-bit bus-interface D-type flip-flop; positive-edge trigger with 30 termination resistors (3-State)
3.0V or V
nOE
V
M
t
PHZ
V
OH
V
V
M
Y
nQx
V
M
t
PZH
Waveform 3. 3-State Output Enable Time to High Level
and Output Disable Time from High Level

TEST CIRCUIT AND WAVEFORM

V
CC
PULSE
GENERATOR
V
IN
D.U.T.
R
T
V
OUT
C
L
Test Circuit for 3-State Outputs
SWITCH POSITION
TEST SWITCH
t
PLZ/tPZL
t
PLH/tPHL
t
PHZ/tPZH
6V or V
Open
GND
CC x 2
DEFINITIONS
RL = Load resistor; see AC CHARACTERISTICS for value. C
= Load capacitance includes jig and probe capacitance:
L
See AC CHARACTERISTICS for value.
= Termination resistance should be equal to Z
R
T
pulse generators.
whichever is less
0V
0V
OUT
SH00007
R
L
R
L
of
CC
6.0V or VCC x 2
GND
Open
FAMILY
74ALVT16
nOE
nQx
Waveform 4. 3-State Output Enable Time to Low Level
90%
NEGATIVE PULSE
POSITIVE PULSE
10%
Amplitude Rep. Rate t
3.0V or V
74ALVT162821
V
M
t
PZL
and Output Disable Time from Low Level
V
M
10% 10%
t
(tF)
THL
t
(tR)t
TLH
90% 90%
V
M
INPUT PULSE REQUIREMENTS
CC
whichever
v10MHz 500ns
is less
V
M
t
PLZ
V
M
t
W
V
V
t
W
W
V V
90%
M
M
10%
t
R
v2.5ns v2.5ns
X
OL
t
TLH
THL
3.0V or V whichever is less
0V
3.0V or V
0V
SH00008
V
IN
0V
(tR)
(tF)
V
IN
0V
t
F
SW00025
CC
CC
1998 Oct 02
9
Page 10
Philips Semiconductors Product specification
2.5V/3.3V 20-bit bus-interface D-type flip-flop; positive-edge trigger with 30 termination resistors (3-State)

SSOP56: plastic shrink small outline package; 56 leads; body width 7.5 mm SOT371-1

74ALVT162821
1998 Oct 02
10
Page 11
Philips Semiconductors Product specification
2.5V/3.3V 20-bit bus-interface D-type flip-flop; positive-edge trigger with 30 termination resistors (3-State)

TSSOP56: plastic thin shrink small outline package; 56 leads; body width 6.1mm SOT364-1

74ALVT162821
1998 Oct 02
11
Page 12
Philips Semiconductors Product specification
2.5V/3.3V 20-bit bus-interface D-type flip-flop; positive-edge trigger with 30 termination resistors (3-State)

Data sheet status

Data sheet status
Objective specification
Preliminary specification
Product specification
Product status
Development
Qualification
Production
Definition
This data sheet contains the design target or goal specifications for product development. Specification may change in any manner without notice.
This data sheet contains preliminary data, and supplementary data will be published at a later date. Philips Semiconductors reserves the right to make chages at any time without notice in order to improve design and supply the best possible product.
This data sheet contains final specifications. Philips Semiconductors reserves the right to make changes at any time without notice in order to improve design and supply the best possible product.
[1]
74ALVT162821
[1] Please consult the most recently issued datasheet before initiating or completing a design.

Definitions

Short-form specification — The data in a short-form specification is extracted from a full data sheet with the same type number and title. For
detailed information see the relevant data sheet or data handbook. Limiting values definition — Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one
or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information — Applications that are described herein for any of these products are for illustrative purposes only. Philips Semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or modification.

Disclaimers

Life support — These products are not designed for use in life support appliances, devices or systems where malfunction of these products can
reasonably be expected to result in personal injury . Philips Semiconductors customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application.
Right to make changes — Philips Semiconductors reserves the right to make changes, without notice, in the products, including circuits, standard cells, and/or software, described or contained herein in order to improve design and/or performance. Philips Semiconductors assumes no responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or mask work right to these products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right infringement, unless otherwise specified.
Philips Semiconductors 811 East Arques Avenue P.O. Box 3409 Sunnyvale, California 94088–3409 Telephone 800-234-7381
Copyright Philips Electronics North America Corporation 1998
All rights reserved. Printed in U.S.A.
print code Date of release: 05-96 Document order number: 9397-750-04619
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yyyy mmm dd
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