74VHC08
QUAD 2-INPUT AND GATE
■ HIGH SPEED: t
■ LOW POWER DISSIPATION:
I
= 2 µA (MAX.) at TA=25°C
CC
■ HIGH NOISE IMMUNITY:
V
= V
NIH
■ POWER DOWN PROTECTION ON INPUTS
■ SYMMETRICAL OUTPUT IMPED ANCE:
|I
| = IOL = 8mA (MIN)
OH
■ BALANCED PROPAGATION DELAYS:
t
≅ t
PLH
■ OPERATING VOLTAGE RANGE:
V
(OPR) = 2V to 5.5V
CC
■ PIN AND FUNCTION COMPATIBLE WITH
= 28% VCC (MIN.)
NIL
PHL
= 4.3 ns (TYP.) at VCC = 5V
PD
74 SERIES 08
■ IMPROVED LATCH-UP IMMUNITY
■ LOW NOISE: V
= 0.8V (MAX.)
OLP
DESCRIPTION
The 74VHC08 is a n advanced high-speed CM OS
QUAD 2-INPUT AND GATE fabricated with
sub-micron silicon gate and double-layer metal
wiring C
2
MOS technology.
The internal circuit is composed of 2 stages
including buffer ou tput, which provides high noise
immunity and stable output.
TSSOPSOP
ORDER CODES
PACKAGE TUBE T & R
SOP 74VHC08M 74VHC08MTR
TSSOP 74VHC08TTR
Power down protection is provided on all inputs
and 0 to 7V can be accepted on inputs with no
regard to the supply voltage. This device can be
used to interface 5V to 3V.
All inputs and outputs are equipped with
protection circuits against stat ic discharge, giving
them 2KV ESD immunity and transient excess
voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
1/8June 2001
74VHC08
INPUT EQUIVALENT CIRCUIT PIN DESCRIPTION
PIN No SYMBOL NAME AND FUNCTION
1, 4, 9, 12 1A to 4A Data Inputs
2, 5, 10, 13 1B to 4B Data Inputs
3, 6, 8, 11 1Y to 4Y Data Outputs
7 GND Ground (0V)
14
V
CC
TRUTH TABLE
ABY
LLL
LHL
HLL
HHH
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
V
V
I
I
OK
I
I
or I
CC
T
T
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied
Supply Voltage
CC
DC Input Voltage
I
DC Output Voltage -0.5 to VCC + 0.5
O
DC Input Diode Current
IK
DC Output Diode Current
DC Output Current
O
DC VCC or Ground Current
GND
Storage Temperature
stg
Lead Temperature (10 sec)
L
Positive Supply Voltage
-0.5 to +7.0 V
-0.5 to +7.0 V
V
- 20 mA
± 20 mA
± 25 mA
± 50 mA
-65 to +150 °C
300 °C
RECOMMENDED OPERATING CONDITIONS
Symbol Parameter Value Unit
V
V
V
T
dt/dv
1) VIN from 30 % to 70% of V
2/8
Supply Voltage
CC
Input Voltage
I
Output Voltage 0 to V
O
Operating Temperature
op
Input Rise and Fall Time (note 1) (V
(V
CC
= 3.3 ± 0.3V)
CC
= 5.0 ± 0.5V)
CC
2 to 5.5 V
0 to 5.5 V
CC
-55 to 125 °C
0 to 100
0 to 20
V
ns/V
DC SPECIFICATIONS
Symbol Parameter
V
V
V
V
I
High Level Input
IH
Voltage
Low Level Input
IL
Voltage
High Level Output
OH
Voltage
Low Level Output
OL
Voltage
I
Input Leakage
I
Current
Quiescent Supply
CC
Current
Test Condition Value
V
(V)
CC
= 25°C
A
Min. Typ. Max. Min. Max. Min. Max.
-40 to 85°C -55 to 125°C
T
2.0 1.5 1.5 1.5
3.0 to
5.5
0.7V
CC
0.7V
CC
0.7V
CC
2.0 0.5 0.5 0.5
3.0 to
5.5
2.0
3.0
4.5
3.0
4.5
2.0
3.0
4.5
3.0
4.5
0 to
5.5
5.5
=-50 µA
I
O
I
=-50 µA
O
I
=-50 µA
O
I
=-4 mA
O
I
=-8 mA
O
IO=50 µA
I
=50 µA
O
I
=50 µA
O
I
=4 mA
O
I
=8 mA
O
V
= 5.5V or GND
I
= VCC or GND
V
I
1.9 2.0 1.9 1.9
2.9 3.0 2.9 2.9
4.4 4.5 4.4 4.4
2.58 2.48 2.4
3.94 3.8 3.7
0.3V
CC
0.3V
CC
0.0 0.1 0.1 0.1
0.0 0.1 0.1 0.1
0.0 0.1 0.1 0.1
0.36 0.44 0.55
0.36 0.44 0.55
± 0.1 ± 1 ± 1 µA
22020µA
74VHC08
Unit
0.3V
CC
V
V
V
V
AC ELECTRICAL CHARACTERISTICS (Input t
Test Condition Value
Symbol Parameter
t
Propagation Delay
PLH
PHL
Time
0.5V
t
(*) Vol tage range is 3. 3V ± 0.3V
(**) Voltage range is 5.0V ±
V
3.3
3.3
5.0
5.0
C
CC
(V)
L
(pF)
(*)
15 6.2 8.8 1.0 10.5 1.0 10.5
(*)
50 8.7 12.3 1.0 14.0 1.0 14.0
(**)
15 4.3 5.9 1.0 7.0 1.0 7.0
(**)
50 5.8 7.9 1.0 9.0 1.0 9.0
= tf = 3ns)
r
= 25°C
T
A
-40 to 85°C -55 to 125°C
Min. Typ. Max. Min. Max. Min. Max.
Unit
ns
3/8