7035L datasheet(3/21 Pages) RENESAS

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6.42

7035L

High-Speed 8K x 18 Dual-Port Static RAM

Industrial and Commercial Temperature Range

Feb.24.22

Pin Names

Truth Table I: Non-Contention Read/Write Control

NOTE:

1. A0L — A12L

≠ A0R — A12R

Left Port

Right Port

Names

CEL

CER

Chip Enable

R/WL

R/WR

Read/Write Enable

OEL

OER

Output Enable

A0L - A12L

A0R - A12R

Address

I/O0L - I/O17L

I/O0R - I/O17R

Data Input/Output

SEML

SEMR

Semaphore Enable

UBL

UBR

Upper Byte Select

LBL

LBR

Lower Byte Select

INTL

INTR

Interrupt Flag

BUSYL

BUSYR

Busy Flag

M/S

Master or Slave Select

VCC

Power

GND

Ground

4088 tbl 01

Inputs(1)

Outputs

Mode

R/W

SEM

I/O9-17

I/O0-8

High-Z

Deselected: Power-Down

High-Z

Both Bytes Deselected

DATAIN

High-Z

Write to Upper Byte Only

High-Z

DATAIN

Write to Lower Byte Only

DATAIN

Write to Both Bytes

DATAOUT

High-Z

Read Upper Byte Only

High-Z

DATAOUT

Read Lower Byte Only

DATAOUT

Read Both Bytes

High-Z

Outputs Disabled

4088 tbl 02

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