TC9WMB2AFK datasheet(1/18 Pages) TOSHIBA

Part #	TC9WMB2AFK

Description	CMOS Digital Integrated Circuits Silicon Monolithic

PDF	18 Pages

Scroll/Zoom	100%

Manufacturer	TOSHIBA [Toshiba Semiconductor]

Direct Link	http://www.semicon.toshiba.co.jp/eng

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1 / 18 page

TC9WMB1AFK/FU,TC9WMB2AFK/FU

2007-10-19

1

TOSHIBA CMOS Digital Integrated Circuits Silicon Monolithic

TC9WMB1AFK,TC9WMB1AFU,TC9WMB2AFK,TC9WMB2AFU

TC9WMB1AFK/FU: 1024 Bit (128

× 8 Bit) 2 Wire Serial EEPROM

TC9WMB2AFK/FU: 2048 Bit (256

× 8 Bit) 2 Wire Serial EEPROM

The TC9WMB1A and TC9WMB2A are electrically

erasable/programmable nonvolatile memory (EEPROM).

Features

• 2-wire serial interface (I2C BUS)

• Single power supply

Read: VCC = 1.8 to 3.6 V

Write: VCC = 2.3 to 3.6 V

• Low power consumption: 5 μA (in standby state)

0.5 mA (in read state)

• Operating frequency: 400 kHz (VCC = 2.3 to 3.6 V)

• Byte write and page (8-byte) write

• Write protection

• Sequential read

• Write time: 10 ms (VCC = 3.0 to 3.6 V)

12 ms (VCC = 2.3 to 2.7 V)

• Rewrite endurance: 105 times

• Data retention: 10 years

• Wide operating temperature range: −40 to 85°C

• Package: US8, SM8

Product Marking

Pin Assignment (top view)

TC9WMB1AFK,TC9WMB2AFK

TC9WMB1AFU,TC9WMB2AFU

Weight:

SSOP8-P-0.50A: 0.01 g (typ.)

SSOP8-P-0.65: 0.02 g (typ.)

8

SCL SDA

76

5

12

3

4

GND

A1

VCC WP

A0

A2

Part number

B

US8

9WM

Pin 1 index

1A, 2A

SM8

WMB

1A, 2A

LotNo.

Part number

Pin 1 index

US8

SM8

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