PDM31256SA15T(1996) Просмотр технического описания (PDF) - Paradigm Technology

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PDM31256SA15T
(Rev.:1996)

3.3V 256K Static RAM 32K x 8-Bit Low Voltage

Paradigm Technology 

Features

s High-speed access times

Com’l: 12, 15, 17 and 20 ns

Ind’l: 15, 17 and 20 ns

s Low power operation (typical)

- PDM31256SA

Active: 200 mW

Standby: 50 mW

s Single +3.3V (±0.3V) power supply

s TTL-compatible inputs and outputs

s Packages

Plastic SOJ (300 mil) - TSO

Plastic TSOP - T

Functional Block Diagram

Rev. 3.0 - 7/24/96

PDM31256

3.3V 256K Static RAM

32K x 8-Bit Low Voltage

1

Description

2 The PDM31256 is a high-performance CMOS static

RAM organized as 32,768 x 8 bits. This product is

produced in Paradigm’s proprietary CMOS

technology which offers the designer the highest

3 speed parts. Writing to this device is accomplished

when the write enable (WE) and the chip enable

(CE) inputs are both LOW. Reading is accomplished

when WE remains HIGH and CE and OE are both

4 LOW.

The PDM31256 operates from a single +3.3V power

supply and all the inputs and outputs are fully TTL-

compatible.

5 The PDM31256 is available in a 28-pin plastic TSOP

and a 28-pin 300-mil plastic SOJ.

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