LH5116 데이터 시트보기 (PDF) - Sharp Electronics

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LH5116

CMOS 16K (2K × 8) Static RAM

Sharp Electronics 

LH5116/H

A0 8

A5 3

A6 2

A7 1

A8 23

A9 22

A10 19

I/O1 9

I/O2 10

I/O3 11

I/O4 13

I/O5 14

I/O6 15

I/O7 16

I/O8 17

CMOS 16K (2K × 8) Static RAM

MEMORY CELL

ARRAY

(128 x128)

CE

COLUMN

I/O CIRCUIT

COLUMN DECODERS

COLUMN ADDRESS

BUFFERS

CE

24 VCC

12 GND

CE 18

WE 21

OE 20

45 67

A4 A3 A2 A1

Figure 2. LH5116/H Block Diagram

PIN DESCRIPTION

SIGNAL

A0 - A10

CE

OE

WE

PIN NAME

Address input

Chip Enable input

Output Enable input

Write Enable input

SIGNAL

I/O1 - I/O8

VCC

GND

PIN NAME

Data input/output

Power supply

Ground

TRUTH TABLE

CE

OE

L

X

L

L

H

X

L

H

NOTE:

1. X = H or L

WE

MODE

I/O1 - I/O8

L

Write

DIN

H

Read

DOUT

X

Deselect

High-Z

X

Outputs disable

High-Z

SUPPLY CURRENT

Operating (ICC)

Operating (ICC)

Standby (ISB)

Operating (ICC)

NOTE

1

1

1

5116-2

2

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