UPD43256B-AXX datasheet(8/24 Pages) NEC

Part #	UPD43256B-AXX

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

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Manufacturer	NEC [NEC]

Direct Link	http://www.nec.com/

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8

µPD43256B

Data Sheet M10770EJCV0DS00

DC Characteristics (Recommended Operating Conditions Unless Otherwise Noted) (1/2)

Parameter

Symbol

Test condition

µPD43256B-xxL

µPD43256B-xxLL

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, Minimum cycle time, II/O = 0 mA

45

mA

ICCA2

/CS = VIL, II/O = 0 mA

10

ICCA3

/CS

≤ 0.2 V, Cycle = 1 MHz,

10

II/O = 0 mA, VIL

≤ 0.2 V, VIH ≥ VCC – 0.2 V

Standby supply current

ISB

/CS = VIH

33

mA

ISB1

/CS

≥ VCC − 0.2 V

1.0

50

0.5

15

µA

High level output voltage

VOH1

IOH = –1.0 mA

2.4

V

VOH2

IOH = –0.1 mA

VCC–0.5

Low level output voltage

VOL

IOL = 2.1 mA

0.4

V

Remarks 1. VIN : Input voltage

VI/O : Input / Output voltage

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

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UPD43256B-AXX Datasheet(PDF) 8 Page - NEC

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