BR93L46F [ETC]

EEPROM ; EEPROM\n


型号：	BR93L46F
厂家：	ETC
描述：	EEPROM EEPROM\n 可编程只读存储器电动程控只读存储器电可擦编程只读存储器
文件：	总2页 (文件大小：48K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

BR93L46-W/F-W/RF-W/FJ-W/RFJ-W/

FV-W/RFV-W/RFVM-W

Features

Pin Configuration

BR93L46-W

BR93L46F-W/FJ-W/FV-W

• 1k bit serial EEPROM organized as 64 × 16bit

• Low voltage operation

Read : 1.8~5.5V

CS 1

Vcc

GND

Write : 1.8~5.5V

6 NC

6 DO

• Low current consumption

Active : 1.5mA MAX (Vcc=1.8~2.5V)

3mA MAX (Vcc=2.5~5.5V)

Standby : 2µA MAX

GND

DIP8

SOP8/SOP-J8/SSOP-B8

BR93L46RF-W/RFJ-W

/RFV-W/RFVM-W

• Clock frequency : 500kHz MAX (Vcc=1.8~2.5V)

2MHz MAX (Vcc=2.5~5.5V)

CS 1

Vcc

• Write cycle time : 5ms MAX

• Address auto-increment function during read operation

• Automatic erase-before-write function during write operation

6 NC

GND

SOP8/SOP-J8/SSOP-B8/MSOP8

• Inadvertent write protection function

Defaults to power up with write-disabled state

Software instructions for write-enable/disable

Inadvertent write protection at low voltage (Vcc Lock-out function)

Pin Functions

Functions

Pin Names

• READY/BUSY Status indicator function (DO pin)

Chip Select

• Schmitt trigger circuit & noise filter are built into SK, DI pin.

Serial Data Clock

Serial Data Input

Serial Data Output

Ground

• TTL compatible input/output

• 1,000,000 write cycle typical

• 40 years data retention

GND

Vcc

• Operating temperature range : -40~85˚C

Power Supply

Block Diagram

Voltage

Detection

Instruction Decode

Control

Clock Generation

Write

Disable

High Voltage

Generation

Address

Decoder

Address

6bit

Instruction

Buffer

1k bit

EEPROM

Array

Data

R/W

Amps

16bit

1.8V Low voltage

operating

Serial 3 Wire Interface

Timing chart

Read cycle

D15 D14

Hi-Z

Read Data

(n)

Read Data

(n+1)

Write cycle

STATUS

D15 D14

BUSY READY

Hi-Z

tE/w

Write all registers cycle

STATUS

D15 D14

BUSY READY

Hi-Z

tE/w

Write enable / disable cycle

ENABLE = 1 1

DISABLE = 0 0

Hi-Z

Note : BR93LL46F/FV, BR93LC46/F/RF/FJ/RFJ/FV are single-cell types.

Please be careful not to confuse w-cell type and single-cell type.

("-W" means double-cell type.)

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