UPD43256BCZ-85L 查看數據表（PDF） - NEC => Renesas Technology

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UPD43256BCZ-85L

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

NEC => Renesas Technology 

µPD43256B

Electrical Characteristics

Absolute Maximum Ratings

Parameter

Symbol

Rating

Unit

Supply voltage

VCC

–0.5Note to +7.0

V

Input/Output voltage

VT

–0.5Note to VCC + 0.5

V

Operating ambient temperature

TA

0 to 70

˚C

Storage temperature

Tstg

–55 to +125

˚C

Note –3.0 V (MIN.) (Pulse width 50 ns)

Caution Exposing the device to stress above those listed in absolute maximum ratings could cause

permanent damage. The device is not meant to be operated under conditions outside the

limits described in the operational sections of this characteristics. Exposure to absolute

maximum rating conditions for extended periods may affect device reliability.

Recommended Operating Conditions

Parameter

Supply voltage

High level input voltage

Low level input voltage

Operating ambient temperature

Symbol

VCC

VIH

VIL

TA

µPD43256B-L

µPD43256B-LL

µPD43256B-A

µPD43256B-B

MIN. MAX. MIN. MAX. MIN. MAX.

4.5

5.5

3.0

5.5

2.7

5.5

2.2 VCC + 0.5 2.2 VCC + 0.5 2.2 VCC + 0.5

–0.3Note +0.8 –0.3Note +0.5 –0.3Note +0.5

0

70

0

70

0

70

Unit

V

V

V

˚C

Note –3.0 V (MIN.) (Pulse width 50 ns)

6

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