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74VHCT02A_04 Datasheet(PDF) 1 Page - STMicroelectronics

Part No. 74VHCT02A_04
Description  QUAD 2-INPUT NOR GATE
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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1/11
December 2004
s
HIGH SPEED: tPD = 5ns (TYP.) at VCC = 5V
s
LOW POWER DISSIPATION:
ICC = 2 µA (MAX.) at TA=25°C
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 02
s
IMPROVED LATCH-UP IMMUNITY
s
LOW NOISE: VOLP = 0.8V (MAX.)
DESCRIPTION
The 74VHCT02A is an advanced high-speed
CMOS QUAD 2-INPUT NOR GATE fabricated
with sub-micron silicon gate and double-layer
metal wiring C2MOS technology.
The internal circuit is composed of 3 stages
including buffer output, which provides 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 since all
inputs are equipped with TTL threshold.
All
inputs
and
outputs
are
equipped
with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
74VHCT02A
QUAD 2-INPUT NOR GATE
Figure 1: Pin Connection And IEC Logic Symbols
Table 1: Order Codes
PACKAGE
T & R
SOP
74VHCT02AMTR
TSSOP
74VHCT02ATTR
TSSOP
SOP
Rev. 4




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