BU9831 查看數據表（PDF） - ROHM Semiconductor

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BU9831

Non-volatile electronic potentiometer

ROHM Semiconductor 

Memory ICs

•Input circuits

RESET int.

CS

CS int.

SK

BU9831 / BU9831F

•Output circuits

DIO

OE int.

CS int.

•Electrical characteristics (unless otherwise noted, Ta = – 20 to + 85°C, VCC = 5V ± 10%)

Parameter

Symbol Min. Typ. Max. Unit

Conditions

Measurement

Circuit

Input low level voltage

VIL

—

—

0.2 ×

VCC

V

CS, SK, DIO pin

Input high level voltage

VIH

0.8 ×

VCC

—

—

V

CS, SK, DIO pin

Output low level voltage

VOL

0

—

0.4

V

IOL = 2.1mA

—

—

Fig.1

Output high level voltage

VOH

VCC –

0.4

—

VCC

V

IOH = – 0.4mA

Fig.6

Input leakage current

ILI

–1

—

1

µA

VIN = 0 ~ VCC

Fig.3

Output leakage current

ILO

–1

—

1

µA

VOUT = 0 ~ VCC, CS = VCC

Fig.4

Operating current consumption ICC

—

Standby current

ISB

—

—

3

mA f = 1MHz, tE / W = 10ms (WRITE) Fig.5

—

200

µA CS, SK, DIO, VH, VL, VW = VCC

Fig.6

SK frequency

Total resistance

Wiper resistance

fSK

—

—

1

MHz

RT

—

100

—

kΩ

If = 10µA

RW

—

0.5

1

kΩ

IW = – 1mA

—

Fig.7

Fig.8

Resistance potential on High side VVH

0

—

VCC

V

—

Resistance potential on Low side VVL

0

—

VCC

V

—

3

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