BR9010 View Datasheet(PDF) - ROHM Semiconductor

Part Name

Description

Manufacturer

BR9010

1, 2, and 4k bit EEPROMs for direct connection to serial ports

ROHM Semiconductor 

Memory ICs

BR9010 / BR9010F / BR9010FV / BR9020 / BR9020F /

BR9040 / BR9040F

Electrical characteristics

••BR9040 / F: At 5V (unless otherwise noted, Ta = – 40 to + 85°C, VCC = 5V ± 10%)

Parameter

Symbol

Min. Typ. Max.

Unit

Conditions

Input low level voltage 1

VIL1

—

— 0.3 × VCC V DI Pin

Input high level voltage 1

VIH1

0.7 × VCC —

—

V DI Pin

Input low level voltage 2

VIL2

—

— 0.2 × VCC V CS, SK, WC Pin

Input high level voltage 2

VIH2

0.8 × VCC —

—

V CS, SK, WC Pin

Output low level voltage

VOL

0

—

0.4

V IOL = 2.1mA

Output high level voltage

VOH VCC – 0.4 —

VCC

V IOH = – 0.4mA

Input leak current

ILI

–1

—

1

µA VIN = 0V ~ VCC

Output leak current

ILO

–1

—

1

µA VOUT = 0V ~ VCC CS = VCC

Consumption current

during operation

ICC1

—

—

2

mA fSK = 1MHz tE / W = 10ms (WRITE)

ICC2

—

—

1

mA fSK = 1MHz (READ)

Standby current

ISB

—

—

3

µA CS, SK, DI, WC, = VCC DO, R / B = OPEN

SK frequency

fSK

—

—

1

MHz

—

•BR9040 / F: At 3V (unless otherwise noted, Ta = – 40 to + 85°C, VCC = 3V ± 10%)

Parameter

Symbol Min. Typ. Max. Unit

Conditions

Input low level voltage 1

VIL1

—

— 0.3 × VCC V

DI Pin

Input high level voltage 1

VIH1

0.7 × VCC —

—

V DI Pin

Input low level voltage 2

VIL2

—

— 0.2 × VCC V

CS, SK, WC Pin

Input high level voltage 2

VIH2

0.8 × VCC —

—

V CS, SK, WC Pin

Output low level voltage

VOL

0

—

0.4

V

IOL = 100µA

Output high level voltage

VOH VCC – 0.4 —

VCC

V

IOH = – 100µA

Input leak current

ILI

–1

—

1

µA VIN = 0V ~ VCC

Output leak current

ILO

–1

—

1

µA

VOUT = 0V ~ VCC CS = VCC

Consumption current

during operation

ICC1

—

—

1.5

mA fSK = 1MHz tE / W = 15ms (WRITE)

ICC2

—

—

500

µA fSK = 1MHz (READ)

Standby current

ISB

—

—

2

µA CS, SK, DI, WC, = VCC DO, R / B = OPEN

SK frequency

—

—

1

MHz VCC = 3.0 ~ 3.3V

fSK

—

—

750

kHz VCC = 2.7 ~ 3.0V

6

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