74VHCT373A datasheet(1/10 Pages) 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

Số phần tương tự - 74VHCT373A

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Fairchild Semiconductor	74VHCT373A	90Kb / 8P	Octal D-Type Latch with 3-STATE Outputs
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Fairchild Semiconductor	74VHCT373AMTC	90Kb / 8P	Octal D-Type Latch with 3-STATE Outputs
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