PI74ALVCH16373AE Pericom, PI74ALVCH16373AE Datasheet

PI74ALVCH16373AE

Manufacturer Part Number

PI74ALVCH16373AE

Description

74ALVCH Series16 Bit 2.3 to 3.6 V 3-State Output SMT D-Type Latch - TSSOP-48

Manufacturer

Pericom

Datasheet

1.PI74ALVCH16373AE.pdf (5 pages)

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1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2

Product Features

Logic Block Diagram

PI74ALVCH16373 is designed for low voltage operation

Hysteresis on all inputs

Typical V

< 0.8V at V

Typical V

< 2.0V at V

Bus Hold retains last active bus state during 3-STATE,

eliminating the need for external pullup resistors

Industrial operation at –40°C to +85°C

Packages available:

– 48-pin 240 mil wide plastic TSSOP (A)

– 48-pin 300 mil wide plastic SSOP (V)

1OE

2OE

1LE

1D1

2LE

2D1

= 2.3V to 3.6V

OLP

OHV

(Output Ground Bounce)

= 3.3V, T

(Output V

= 3.3V, T

To Seven Other Channels

= 25°C

Undershoot)

1Q1

2Q1

Product Description

Pericom Semiconductor’s PI74ALVCH series of logic circuits are

produced in the Company’s advanced 0.5 micron CMOS

technology, achieving industry leading speed.

This 16-bit transparent D-type latch is designed for 2.3V to 3.6V

The PI74ALVCH16373 is particularly suitable for implementing

buffer registers, I/O ports, bidirectional bus drivers, and working

registers. This device can be used as two 8-bit latches or one 16-bit

latch. When the Latch Enable (LE) input is HIGH, the Q outputs

follow the (D) inputs. When LE is taken LOW, the Q outputs are

latched at the levels set up at the D inputs.

A buffered Output Enable (OE) input can be used to place the

eight outputs in either a normal logic state (high or low logic

levels) or a high-impedance state in which the outputs neither

load nor drive the bus lines significantly. The high-impedance state

and the increased drive provide the capability to drive bus lines

without need for interface or pullup components. OE does not

affect internal operations of the latch. Old data can be retained

or new data can be entered while the outputs are in the high

impedance state.

To ensure the high impedance state during power up or power

down, OE should be tied to V

minimum value of the resistor is determined by the current-sinking

capability of the driver.

Active bus-hold circuitry is provided to hold unused or floating

data inputs at a valid logic level.

operation.

16-Bit Transparent D-Type Latch

PI74ALVCH16373

with 3-STATE Outputs

through a pullup resistor; the

PS8093B 10/09/00

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PI74ALVCH16373AE Summary of contents

Page 1

... C1 36 2D1 1D To Seven Other Channels 16-Bit Transparent D-Type Latch Product Description Pericom Semiconductor’s PI74ALVCH series of logic circuits are produced in the Company’s advanced 0.5 micron CMOS technology, achieving industry leading speed. This 16-bit transparent D-type latch is designed for 2.3V to 3.6V V operation. CC ...

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... Switching Characteristics over Operating Range Notes: 1. See test circuit and waveforms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. Operating Characteristics 2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com (1) = 25ºC Pericom Semiconductor Corporation 5 PI74ALVCH16373 ...

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