UD61256 Ver la hoja de datos (PDF) - Unspecified

Número de pieza

componentes Descripción

Fabricante

UD61256

256K x 1 DRAM

Unspecified 

UD61256

Static Characteristics

Power Supply Current

(average value of RAS-CAS cycles) 2)

Conditions Symbol

tcW = tcWmin

tcR = tcRmin

ICC1

Min.

07

08

Refresh Current

(average value of RAS cycles)

FPM Current

(average value of FPM cycles)

2)

tcW = tcWmin

tcR = tcRmin

CAS = VIH

ICC2

2)

tcPG = tcPGmin

ICC3

RAS = VIL

Stand-by Current (TTL Level)

RAS = CAS

ICC4

= VIH

Stand-by Current (CMOS Level)

RAS = CAS

ICC5

= VCC - 0.2 V

Output High Voltage

IOH = -5 mA

VOH

2.4

2.4

Output Low Voltage

IOL = 4.2 mA

VOL

Input Leakage Current

at any input,

all other pins = 0 V

Output Leakage Current

Q = High-Z

Remarks: see page 7

VI = 0 V to

II

5.5 V

VO = 0 V to

IO

5.5 V

RAS = CAS

= VIH

-10

-10

-10

-10

Max.

Unit

07

08

70

60 mA

70

60 mA

50

40 mA

2

2 mA

1

1 mA

V

0.4

0.4 V

10

10 µA

10

10 µA

4

December 12, 1997

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