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74VHCT32A Schematic ( PDF Datasheet ) - STMicroelectronics

Teilenummer 74VHCT32A
Beschreibung QUAD 2-INPUT OR GATE
Hersteller STMicroelectronics
Logo STMicroelectronics Logo 




Gesamt 7 Seiten
74VHCT32A Datasheet, Funktion
® 74VHCT32A
s HIGH SPEED: tPD = 5 ns (TYP.) at VCC = 5V
s LOW POWER DISSIPATION:
ICC = 2 µA (MAX.) at TA = 25 oC
s COMPATIBLE WITH TTL OUTPUTS:
VIH = 2V (MIN), VIL = 0.8V (MAX)
s POWER DOWN PROTECTION ON INPUTS &
OUTPUTS
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 8 mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH tPHL
s OPERATING VOLTAGE RANGE:
VCC (OPR) = 4.5V to 5.5V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 32
s IMPROVED LATCH-UP IMMUNITY
s LOW NOISE: VOLP = 0.8V (Max.)
DESCRIPTION
The 74VHCT32A is an advanced high-speed
CMOS QUAD 2-INPUT OR GATE fabricated with
sub-micron silicon gate and double-layer metal
wiring C2MOS technology.
QUAD 2-INPUT OR GATE
PRELIMINARY DATA
M
(Micro Package)
T
(TSSOP Package)
ORDER CODES :
74VHCT32AM
74VHCT32AT
The internal circuit is composed of 2 stages
including buffer output, which provide high noise
immunity and stable output.
Power down protection is provided on all inputs
and outputs 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 static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
August 1999
1/7






74VHCT32A Datasheet, Funktion
74VHCT32A
DIM.
A
A1
A2
b
c
D
E
E1
e
K
L
TSSOP14 MECHANICAL DATA
MIN.
0.05
0.85
0.19
0.09
4.9
6.25
4.3
0o
0.50
mm
TYP.
0.10
0.9
5
6.4
4.4
0.65 BSC
4o
0.60
MAX.
1.1
0.15
0.95
0.30
0.20
5.1
6.5
4.48
8o
0.70
MIN.
0.002
0.335
0.0075
0.0035
0.193
0.246
0.169
0o
0.020
inch
TYP.
0.004
0.354
0.197
0.252
0.173
0.0256 BSC
4o
0.024
MAX.
0.433
0.006
0.374
0.0118
0.0079
0.201
0.256
0.176
8o
0.028
A A2
A1 b
e
D
c
KL
E
PIN 1 IDENTIFICATION
1
6/7
E1

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