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74VHCT373A Datasheet(PDF) 1 Page - STMicroelectronics

Part No. 74VHCT373A
Description  OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT NON INVERTING
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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74VHCT373A Datasheet(HTML) 1 Page - STMicroelectronics

 
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74VHCT373A
OCTAL D-TYPE LATCH
WITH 3 STATE OUTPUT NON INVERTING
November 1999
s
HIGH SPEED: tPD = 6.4 ns (TYP.) at VCC =5V
s
LOW POWER DISSIPATION:
ICC =4
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 373
s
IMPROVED LATCH-UP IMMUNITY
s
LOW NOISE: VOLP = 0.9V (Max.)
DESCRIPTION
The 74VHCT373A is an advanced high-speed
CMOS OCTAL D-TYPE LATCH with 3 STATE
OUTPUT
NON
INVERTING
fabricated with
sub-micron silicon gate and double-layer metal
wiring C
2MOS technology.
This 8 bit D-Type latch is controlled by a latch
enable input (LE) and an output enable input
(OE).
While the LE input is held at a high level, the Q
outputs will follow the data inputs precisely. When
the LE is taken low, the Q outputs will be latched
precisely at the logic level of D input data. While
the (OE) input is low, the 8 outputs will be in a
normal logic state (high or low logic level) and
while high level the outputs will be in a high
impedance state.
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
ORDER CODES :
74VHCT373AM
74VHCT373AT
M
(Micro Package)
T
(TSSOP Package)
®
1/10


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