CY62128EV30LL-55ZXET(2012) Просмотр технического описания (PDF) - Cypress Semiconductor

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CY62128EV30LL-55ZXET
(Rev.:2012)

1-Mbit (128 K × 8) Static RAM

Cypress Semiconductor 

CY62128EV30 MoBL® Automotive

Pin Definitions

I/O Type

Description

Input

Input/output

Input/control

A0–A16. Address inputs

I/O0–I/O7. Data lines. Used as input or output lines depending on operation.

WE. Write Enable, Active LOW. When selected LOW, a WRITE is conducted. When selected HIGH, a READ is

conducted.

Input/control

Input/control

Input/control

CE1. Chip Enable 1, Active LOW.

CE2. Chip Enable 2, Active HIGH.

OE. Output Enable, Active LOW. Controls the direction of the I/O pins. When LOW, the I/O pins behave as outputs.

When de-asserted HIGH, I/O pins are tri-stated, and act as input data pins.

Ground

GND. Ground for the device.

Power supply VCC. Power supply for the device.

Document #: 001-65528 Rev. *B

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