BR93LC46F-WE2 Rohm, BR93LC46F-WE2 Datasheet

BR93LC46F-WE2

Manufacturer Part Number

BR93LC46F-WE2

Description

Manufacturer

Rohm

Datasheet

1.BR93LC46F-WE2.pdf (12 pages)

Specifications of BR93LC46F-WE2

Date_code

0551+

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Memory ICs

64 16bits serial EEPROM

BR93LC46-W / BR93LC46F-W / BR93LC46RF-W /

BR93LC46FJ-W / BR93LC46RFJ-W / BR93LC46FV-W

The BR93LC46-W series are CMOS serial input / output-type memory circuits (EEPROMs) that can be programmed

electrically. Each is configured of 64 words 16 bits (1,024 bits), and each word can be accessed individually and data

read from it and written to it. Operation control is performed using five types of commands.

The commands, addresses, and data are input through the DI pin under the control of the CS and SK pins. In a write

operation, the internal status signal (READY or BUSY) can be output from the DO pin.

VCRs, TVs, printers, car stereos, cordless telephones, short wave radios, programmable DIP switches, and

other battery-powered equipment requiring low voltage and low current

1) 64 words 16 bits EEPROM

2) Operating voltage range

3) Low current consumption

4) Address can be incremented automatically during

5) Auto erase and auto complete functions can be used

Features

Block diagram

Applications

When reading : 2.0 to 5.5V

When writing : 2.7 to 5.5V

Operating (at 5V) : 3mA (Max.)

Standby (at 5V) : 5 A (Max.)

read operations.

during write operations.

BR93LC46FJ-W / BR93LC46RFJ-W / BR93LC46FV-W

Command decode

Control

Clock generation

Dummy bits

Command

BR93LC46-W / BR93LC46F-W / BR93LC46RF-W /

Address

buffer

Data

6bits

16bits

Write

disable

10) Rewriting possible up to 100,000 times

11) Data can be stored for ten years without corruption.

6) A write instruction inhibit function allows :

7) Compact packages

8) Display of READY / BUSY status

9) TTL-compatible input / output

Power supply

voltage detector

- write protection when power supply voltage is low.

- write disable state at power up.

- writing using command codes.

Address

decoder

R / W

amplifier

High voltage

generator

16bits

6bits

1,024bits

EEPROM array

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