LH5164AVH Просмотр технического описания (PDF) - Sharp Electronics

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производитель

LH5164AVH

CMOS 64K (8K × 8) Static RAM

Sharp Electronics 

LH5164AVH

A9 24

A8 25

A12 2

A7 3

A6 4

A5 5

A4 6

A3 7

I/O1 11

I/O2 12

I/O3 13

I/O4 15

I/O5 16

I/O6 17

I/O7 18

I/O8 19

ROW

SELECT

CMOS 64K (8K × 8) Static RAM

MEMORY

ARRAY

(256 x 256)

28 VCC

14 GND

INPUT

DATA

CONTROL

COLUMN I/O

CIRCUITS

COLUMN SELECT

WE 27

OE 22

CE2 26

CE1 20

NOTE: Pin numbers apply to the 28-pin SOP.

8 9 10 23 21

A2 A1 A0 A11 A10

Figure 3. LH5164AVH Block Diagram

5164AVH-3

PIN DESCRIPTION

SIGNAL

A0 - A12

CE1/CE2

WE

OE

PIN NAME

Address inputs

Chip Enable input

Write Enable input

Output Enable input

SIGNAL

I/O1 - I/O8

VCC

GND

NC

PIN NAME

Data inputs and outputs

Power supply

Ground

No connection

2

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