UPD43256B-AXX データシートの表示（PDF） - NEC => Renesas Technology

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UPD43256B-AXX

256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT

NEC => Renesas Technology 

µPD43256B

DC Characteristics (Recommended Operating Conditions Unless Otherwise Noted) (2/2)

Parameter

Symbol

Test condition

µPD43256B-Axx

µPD43256B-Bxx

Unit

MIN. TYP. MAX. MIN. TYP. MAX.

Input leakage current

ILI VIN = 0 V to VCC

–1.0

+1.0 –1.0

+1.0 µA

I/O leakage current

ILO VI/O = 0 V to VCC, /OE = VIH or

–1.0

+1.0 –1.0

+1.0 µA

/CS = VIH or /WE = VIL

Operating supply current ICCA1 /CS = VIL,

µPD43256B-Axx

45

– mA

Minimum cycle time,

µPD43256B-Bxx

–

45

II/O = 0 mA

VCC ≤ 3.3 V

–

20

ICCA2 /CS = VIL, II/O = 0 mA

10

10

VCC ≤ 3.3 V

–

5

ICCA3 /CS ≤ 0.2 V, Cycle = 1 MHz, II/O = 0 mA,

10

10

VIL ≤ 0.2 V, VIH ≥ VCC – 0.2 V VCC ≤ 3.3 V

–

5

Standby supply current

ISB /CS = VIH

3

3 mA

VCC ≤ 3.3 V

–

2

ISB1 /CS ≥ VCC − 0.2 V

0.5 15

0.5 15 µA

VCC ≤ 3.3 V

–

0.5 10

High level output voltage VOH1 IOH = –1.0 mA, VCC ≥ 4.5 V

2.4

2.4

V

IOH = –0.5 mA, VCC < 4.5 V

2.4

2.4

VOH2 IOH = –0.02 mA

VCC–0.1

VCC–0.1

Low level output voltage VOL IOL = 2.1 mA, VCC ≥ 4.5 V

0.4

0.4 V

IOL = 1.0 mA, VCC < 4.5 V

0.4

0.4

VOL1 IOL = 0.02 mA

0.1

0.1

Remarks 1. VIN : Input voltage

VI/O : Input / Output voltage

2. These DC characteristics are in common regardless of package types.

Data Sheet M10770EJCV0DS00

9

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