Page 1
74ABT16244A
74ABTH16244A
16-bit buffer/line driver (3-State)
Product specification
Supersedes data of 1998 Feb 25
IC23 Data Handbook
1998 Oct 07
INTEGRATED CIRCUITS
Page 2
Philips Semiconductors Product specification
74ABT16244A
74ABTH16244A
16-bit buffer/line driver (3-State)
2
1998 Oct 07 853-1769 20143
FEA TURES
•16-bit bus interface
•Multiple V
CC
and GND pins minimize switching noise
•Power-up 3-State
•3-State buffers
•Output capability: +64 mA/–32mA
•Live insertion/extraction permitted
•Latch-up protection exceeds 500mA per JEDEC Std 17
•ESD protection exceeds 2000 V per MIL STD 883 Method 3015
and 200 V per Machine Model
•74ABTH16244A incorporates bus hold data inputs which eliminate
the need for external pull up resistors to hold unused inputs
•Bus-hold data inputs eliminate the need for external pull-up
resistors to hold unused inputs
DESCRIPTION
The 74ABT16244A high-performance BiCMOS device combines
low static and dynamic power dissipation with high speed and high
output drive.
The 74ABT16244A device is a 16-bit buffer that is ideal for driving
bus lines. The device features four Output Enables (1OE
, 2OE,
3OE
, 4OE), each controlling four of the 3-State outputs.
Two options are available, 74ABT16244A which does not have the
bus hold feature and 74ABTH16244A which incorporates the bus
hold feature.
QUICK REFERENCE DA TA
SYMBOL PARAMETER
CONDITIONS
T
amb
= 25°C; GND = 0V
TYPICAL UNIT
t
PLH
t
PHL
Propagation delay
nAx to nYx
CL = 50pF; VCC = 5V
1.7
2.1
ns
C
IN
Input capacitance VI = 0V or V
CC
4 pF
C
OUT
Output capacitance VO = 0V or VCC; 3-State 7 pF
I
CCZ
pp
Outputs disabled; VCC = 5.5V 450 µA
I
CCL
Quiescent su ly current
Outputs low; VCC = 5.5V 10 mA
ORDERING INFORMATION
PACKAGES TEMPERATURE RANGE OUTSIDE NORTH AMERICA NORTH AMERICA DWG NUMBER
48-Pin Plastic SSOP Type III –40°C to +85°C 74ABT16244A DL BT16244A DL SOT370-1
48-Pin Plastic TSSOP Type II –40°C to +85°C 74ABT16244A DGG BT16244A DGG SOT362-1
48-Pin Plastic SSOP Type III –40°C to +85°C 74ABH16244A DL BH16244A DL SOT370-1
48-Pin Plastic TSSOP Type II –40°C to +85°C 74ABH16244A DGG BH16244A DGG SOT362-1
LOGIC SYMBOL
1OE
1
1A0
47
1A1
46
1A2
44
1A3
43
2OE
48
2A0
41
2A1
2
40
2A2
38
3
2A3
37
5
6
1Y0
1Y1
1Y2
1Y3
2Y0
2Y1
2Y2
2Y3
8
9
11
12
3OE
25
3A0
36
3A1
35
3A2
33
3A3
32
4OE
24
4A0
30
4A1
13
29
4A2
27
14
4A3
26
16
17
3Y0
3Y1
3Y2
3Y3
4Y0
4Y1
4Y2
4Y3
19
20
22
23
SA00014
Page 3
Philips Semiconductors Product specification
74ABT16244A
74ABTH16244A
16-bit buffer/line driver (3-State)
1998 Oct 07
3
LOGIC SYMBOL (IEEE/IEC)
48
EN1
1 ∇
46
44
43
41
40
38
37
36
EN2
EN3
EN4
1
2 ∇1
3 ∇1
4 ∇1
1
25
24
47
35
33
32
30
29
27
26
3
2
5
6
8
9
11
12
13
14
16
17
19
20
22
23
SH00088
1OE
2OE
3OE
4OE
1A0
1A1
1A2
1A3
2A0
2A1
2A2
3A0
3A1
3A2
3A3
4A0
4A1
4A2
4A3
1Y0
1Y1
1Y2
1Y3
2Y0
2Y1
2Y2
2Y3
3Y0
3Y1
3Y2
3Y3
4Y0
4Y3
2A3
4Y1
4Y2
PIN CONFIGURATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
1OE
1Y0
1Y1
GND
1Y2
1Y3
2Y0
2Y1
GND
2Y2
2Y3
3Y0
3Y1
GND
3Y4
V
CC
4Y0
V
CC
3Y2
4Y1
GND
4Y3
4OE
4Y2
2OE
1A0
1A1
GND
1A2
1A3
2A0
2A1
GND
2A2
2A3
3A0
3A1
GND
3A3
V
CC
4A0
V
CC
3A2
4A1
GND
4A3
3OE
4A2
SA00013
PIN DESCRIPTION
PIN NUMBER SYMBOL NAME AND FUNCTION
47, 46, 44, 43
41, 40, 38, 37
36, 35, 33, 32
30, 29, 27, 26
1A0 – 1A3,
2A0 – 2A3,
3A0 – 3A3,
4A0 – 4A3
Data inputs
2, 3, 5, 6
8, 9, 11, 12
13, 14, 16, 17
19, 20, 22, 23
1Y0 – 1Y3,
2Y0 – 2Y3,
3Y0 – 3Y3,
4Y0 – 4Y3
Data outputs
1, 48
25, 24
1OE, 2OE,
3OE, 4OE
Output enables
4, 10, 15, 21
28, 34, 39, 45
GND Ground (0V)
7, 18, 31, 42 V
CC
Positive supply voltage
FUNCTION TABLE
INPUTS OUTPUTS
nOE nAx nYx
L L L
L H H
H X Z
H = High voltage level
L = Low voltage level
X = Don’t care
Z = High impedance “off” state
Page 4
Philips Semiconductors Product specification
74ABT16244A
74ABTH16244A
16-bit buffer/line driver (3-State)
1998 Oct 07
4
ABSOLUTE MAXIMUM RATINGS
1, 2
SYMBOL
PARAMETER CONDITIONS RATING UNIT
V
CC
DC supply voltage –0.5 to +7.0 V
I
IK
DC input diode current VI < 0 –18 mA
V
I
DC input voltage
3
–1.2 to +7.0 V
I
OK
DC output diode current VO < 0 –50 mA
V
OUT
DC output voltage
3
output in Off or High state –0.5 to +5.5 V
p
output in Low state 128
I
OUT
DC output current
output in High state –64
mA
T
stg
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
LIMITS
SYMBOL
PARAMETER
MIN MAX
UNIT
V
CC
DC supply voltage 4.5 5.5 V
V
I
Input voltage 0 V
CC
V
V
IH
High-level input voltage 2.0 V
V
IL
Low-level input voltage 0.8 V
I
OH
High-level output current –32 mA
I
OL
Low-level output current 64 mA
∆t/∆v Input transition rise or fall rate 0 10 ns/V
T
amb
Operating free-air temperature range –40 +85 °C
Page 5
Philips Semiconductors Product specification
74ABT16244A
74ABTH16244A
16-bit buffer/line driver (3-State)
1998 Oct 07
5
DC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL PARAMETER TEST CONDITIONS
T
amb
= +25°C
T
amb
= –40°C
to +85°C
UNIT
Min Typ Max Min Max
V
IK
Input clamp voltage VCC = 4.5V; IIK = –18mA –0.9 –1.2 –1.2 V
VCC = 4.5V; IOH = –3mA; VI = VIL or V
IH
2.5 2.9 2.5
V
OH
High-level output voltage
VCC = 5.0V; IOH = –3mA; VI = VIL or V
IH
3.0 3.4 3.0
V
VCC = 4.5V; IOH = –32mA; VI = VIL or V
IH
2.0 2.4 2.0
V
OL
Low-level output voltage VCC = 4.5V; IOL = 64mA; VI = VIL or V
IH
0.42 0.55 0.55 V
I
I
Input leakage current VCC = 5.5V; VI = GND or 5.5V ±0.01 ±1.0 ±1.0 µA
p
VCC = 5.5V; VI = V
CC
or GND
Control pins
±0.01 ±1 ±1
I
I
In ut leakage current
74ABTH16244A
VCC = 5.5V; VI = V
CC
0.01 1 1
µA
VCC = 5.5V; VI = 0
Data Pins
–2 –3 –5
VCC = 4.5V; VI = 0.8V 50 50
I
HOLD
B
us Hold current A inputs
4
74ABTH16244A
VCC = 4.5V; VI = 2.0V –75 –75
µA
74ABTH16244A
VCC = 5.5V; VI = 0 to 5.5V ±500
I
OFF
Power-off leakage current VCC = 0.0V; VO or VI ≤ 4.5V ±5.0 ±100 ±100 µA
IPU/I
PD
Power-up/down 3-State
output current
VCC = 2.0V; VO = 0.5V; VI = GND or VCC;
VOE = V
CC
±5.0 ±50 ±50 µA
I
OZH
3-State output High current VCC = 5.5V; VO = 5.5V; VI = VIL or V
IH
0.1 10 10 µA
I
OZL
3-State output Low current VCC = 5.5V; VO = 0.0V; VI = VIL or V
IH
–0.1 –10 –10 µA
I
CEX
Output High leakage current VCC = 5.5V; VO = 5.5V; VI = GND or V
CC
5.0 50 50 µA
I
O
Output current
1
VCC = 5.5V; VO = 2.5V –50 –100 –180 –50 –180 mA
I
CCH
VCC = 5.5V; Outputs High, VI = GND or V
CC
0.45 1.0 1.0 mA
I
CCL
Quiescent supply current
3
VCC = 5.5V; Outputs Low , VI = GND or V
CC
10 19 19 mA
I
CCZ
VCC = 5.5V; Outputs 3-State;
VI = GND or V
CC
0.45 1.0 1.0 µA
Outputs enabled, one data input at 3.4V,
other inputs at VCC or GND; VCC = 5.5V
100 250 250
∆I
CC
Additional supply current per
input pin
2, 3
Outputs disabled, one data input at 3.4V,
other inputs at VCC or GND; VCC = 5.5V
100 250 250
µA
in ut in
Control pins, outputs disabled, one enable
input at 3.4V, other inputs at VCC or GND;
VCC = 5.5V
100 250 250
NOTES:
1. Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
2. This is the increase in supply current for each input at 3.4V .
3. This data sheet limit may vary among suppliers.
4. This is the bus hold overdrive current required to force the input to the opposite logic state.
Page 6
Philips Semiconductors Product specification
74ABT16244A
74ABTH16244A
16-bit buffer/line driver (3-State)
1998 Oct 07
6
AC CHARACTERISTICS
GND = 0V; tR = tF = 2.5ns; CL = 50pF, RL = 500Ω
LIMITS
SYMBOL PARAMETER WAVEFORM
T
amb
= +25°C
VCC = +5.0V
T
amb
= –40°C to +85°C
VCC = +5.0V ±0.5V
UNIT
MIN TYP MAX MIN MAX
t
PLH
t
PHL
Propagation delay
nAx to nYx
1
1.1
1.3
1.7
2.1
2.6
2.9
1.1
1.3
2.8
3.4
ns
t
PZH
t
PZL
Output enable time
to High and Low level
2
1.6
2.3
2.7
3.5
3.7
4.0
1.6
2.3
4.5
4.8
ns
t
PHZ
t
PLZ
Output disable time
from High and Low level
2
2.0
1.6
3.0
2.4
4.0
3.2
2.0
1.6
4.6
4.1
ns
AC WAVEFORMS
VM = 1.5V, VIN = GND to 3.0V
nAx INPUT
V
M
V
M
nYx
OUTPUT
V
M
V
M
t
PLH
t
PHL
SA00016
3.0V or V
CC
whichever
is less
0V
V
OH
V
OL
Waveform 1. Input (An) to Output (Yn) Propagation Delays
nOE INPUT
V
M
V
M
t
PZH
t
PHZ
nYx OUTPUT
V
OH
V
M
V
M
nYx OUTPUT
V
OL
t
PZL
t
PLZ
3.5V
0V
V
OL
+ 0.3V
VOH – 0.3V
SA00017
Waveform 2. 3-State Output Enable and Disable Times
Page 7
Philips Semiconductors Product specification
74ABT16244A
74ABTH16244A
16-bit buffer/line driver (3-State)
1998 Oct 07
7
TEST CIRCUIT AND WAVEFORMS
PULSE
GENERATOR
R
T
V
IN
D.U.T.
V
OUT
R
L
V
CC
R
L
7.0V
Test Circuit for 3-State Outputs
V
M
V
M
t
W
AMP (V)
NEGATIVE
PULSE
10% 10%
90%
90%
0V
V
M
V
M
t
W
AMP (V)
POSITIVE
PULSE
90% 90%
10%
10%
0V
t
THL
(tF)
t
TLH
(tR)t
THL
(tF)
t
TLH
(tR)
VM = 1.5V
Input Pulse Definition
DEFINITIONS
RL = Load resistor; see AC CHARACTERISTICS for value.
C
L
= Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
RT = Termination resistance should be equal to Z
OUT
of
pulse generators.
INPUT PULSE REQUIREMENTS
FAMILY
Amplitude Rep. Rate t
W
t
R
t
F
74ABT/H16 3.0V 1MHz 500ns 2.5ns 2.5ns
SWITCH POSITION
TEST SWITCH
t
PLZ
closed
t
PZL
closed
All other open
SA00018
C
L
Page 8
Philips Semiconductors Product specification
74ABT16244A
74ABTH16244A
16-bit buffer/line driver (3-State)
1998 Oct 07
8
SSOP48: plastic shrink small outline package; 48 leads; body width 7.5 mm SOT370-1
Page 9
Philips Semiconductors Product specification
74ABT16244A
74ABTH16244A
16-bit buffer/line driver (3-State)
1998 Oct 07
9
TSSOP48: plastic thin shrink small outline package; 48 leads; body width 6.1mm SOT362-1
Page 10
Philips Semiconductors Product specification
74ABT16244A
74ABTH16244A
16-bit buffer/line driver (3-State)
yyyy mmm dd
10
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: 9397-750-04709
Data sheet
status
Objective
specification
Preliminary
specification
Product
specification
Product
status
Development
Qualification
Production
Definition
[1]
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.
Data sheet status
[1] Please consult the most recently issued datasheet before initiating or completing a design.
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