BU99901GUZ-W datasheet(4/17 Pages) ROHM

Part #	BU99901GUZ-W

Description	WL-CSP EEPROM family I2C BUS

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Manufacturer	ROHM [Rohm]

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Technical Note

4/16

BU99901GUZ-W

www.rohm.com

2010.09 - Rev.A

●

Pin assignment and function

Land No.

Terminal name

Input / output

Unit

B3

VDD

－

Power Supply

B2

GND

－

Reference voltage of all input / output

B1

TEST

Input

TEST terminal, Connect GND

A3

WP

Input

Write protect terminal

A2

SCL

Input

Serial clock input

A1

SDA

Input /output

Slave and word address, Serial data input serial data output

●

Characteristic data (The following values are Typ. ones.)

Fig.3 BU99901GUZ-W(bottom view)

1

2

3

A

B1

TEST

B

A1

SDA

B2

GND

A2

SCL

B3

VDD

A3

WP

0

0.2

0.4

0.6

0.8

1

1.2

01

2

3

45

6

Vcc(V)

SPEC

Ta=-40℃

Ta=25℃

Ta=85℃

0

0.2

0.4

0.6

0.8

1

0

12

3

456

IOL2(mA)

SPEC

Ta=-40℃

Ta=25℃

Ta=85℃

0

0.2

0.4

0.6

0.8

1

1.2

01

23

4

5

6

Vcc(V)

SPEC

Ta=-40℃

Ta=25℃

Ta=85℃

0

1

2

3

4

5

6

01

2

3

45

6

Vcc(V)

Ta=-40℃

Ta=25℃

Ta=85℃

SPEC

0

0.2

0.4

0.6

0.8

1

01

2

3

45

6

IOL1(mA)

SPEC

Ta=-40℃

Ta=25℃

Ta=85℃

Fig.6 'L' output voltage VOL-IOL(Vcc=1.7V)

0

1

2

3

4

5

6

01

2

34

56

Vcc(V)

Ta=-40℃

Ta=25℃

Ta=85℃

Fig.7　'L' output voltage VOL-IOL(Vcc=2.5V)

Fig.8　Input leak current ILI (SCL,WP)

Fig.9　Output leak current

SPEC

Fig.5　'L' input voltage　VIL (SCL,SDA,WP)

Fig.4　'H' input voltage　VIH1,2 (SCL,SDA,WP)

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