UPD448012-B55X 查看數據表（PDF） - NEC => Renesas Technology

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UPD448012-B55X

8M-BIT CMOS STATIC RAM 512K-WORD BY 16-BIT EXTENDED TEMPERATURE OPERATION

NEC => Renesas Technology 

µPD448012-X

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

Parameter

Symbol

Test condition

VCC ≥ 2.7 V

Unit

µPD448012-BxxX

MIN. TYP.

MAX.

Input leakage current

ILI

VIN = 0 V to VCC

–1.0

I/O leakage current

ILO VI/O = 0 V to VCC, /CE1 = VIH or

–1.0

CE2 = VIL or /WE = VIL or /OE = VIH

 Operating supply current

ICCA1 /CE1 = VIL, CE2 = VIH, Cycle time = 55 ns

–



Minimum cycle time, Cycle time ≥ 70 ns

–

II/O = 0 mA



ICCA2 /CE1 = VIL, CE2 = VIH, II/O = 0 mA,

–

Cycle time = ∞



ICCA3 /CE1 ≤ 0.2 V, CE2 ≥ VCC – 0.2 V,

–

Cycle time = 1 µs, II/O = 0 mA,

VIL ≤ 0.2 V, VIH ≥ VCC – 0.2 V

Standby supply current

ISB /CE1 = VIH or CE2 = VIL or /LB = /UB = VIH

–

ISB1 /CE1 ≥ VCC − 0.2 V, CE2 ≥ VCC − 0.2 V

1.0

ISB2 CE2 ≤ 0.2 V

1.0

ISB3 /LB = /UB ≥ VCC − 0.2 V,

1.0

/CE1 ≤ 0.2 V, CE2 ≥ VCC − 0.2 V

High level output voltage VOH IOH = –0.5 mA

2.4

Low level output voltage

VOL IOL = 1.0 mA

+1.0

µA

+1.0

µA

50

mA

45

4

6

0.6

mA

15

µA

15

15

V

0.4

V

Remarks 1. VIN : Input voltage, VI/O : Input / Output voltage

2. These DC characteristics are in common regardless of product classification.

6

Data Sheet M14466EJ5V0DS

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