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Rainbow Electronics BR9040RFV-W User Manual

Page 2

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BR9010-W / F-W / FV-W / RFV-W / RFVM-W / BR9020-W / F-W / FV-W /

Memory IC

RFV-W / RFVM-W / BR9040-W / F-W / FV-W / RFV-W / RFVM-W

2/14

z

z

z

zBlock diagram

16bit

16bit

CS

R / B

WC

SK

DI

DO

6bit

BR9010

7bit

BR9020

8bit

BR9040

6bit

BR9010

7bit

BR9020

8bit

BR9040

Command decode

Control

Clock generation

Write disable

Power supply

voltage detector

High voltage

generator

Address

decoder

R / W

amplifier

Address

buffer

Command

register

Data

register

1,024bit

BR9010

2,048bit

BR9020

4,096bit

BR9040

EEPROM

array

z

z

z

zTerminal Function

3

4

5

6

7

8

1

2

1

2

3

4

5

6

7

8

CS

SK

DI

DO

GND

WC

R / B

V

CC

BR90xx-W/RFV-W/RFVM-W

BR90xxF-W/FV-W

Pin No.

Pin name

Chip Select Input

Serial Date Clock Input

Serial Date Input (Op code, address)

Ground (0V)

Write Control Input

READY/ BUSY Status Output

Power Supply

Serial Date Output

Function