W26020A-25 Ver la hoja de datos (PDF) - Winbond

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W26020A-25

128K x 16 HIGH-SPEED CMOS STATIC RAM

Winbond 

W26020A

TRUTH TABLE

CS OE WE LB UB

MODE

H X X X X Not Selected

L H H X X Output Disable

L L H L L 2 Bytes Read

L L H L H Lower Byte Read

L L H H L Upper Byte Read

L X L L L 2 Bytes Write

L X L L H Lower Byte Write

L X L H L Upper Byte Write

L X X H H Output Disable

I/O1−I/O8

High Z

High Z

DOUT

DOUT

High Z

DIN

DIN

High Z

High Z

I/O9−I/O16

High Z

High Z

DOUT

High Z

DOUT

DIN

High Z

DIN

High Z

VDD

CURRENT

ISB, ISB1

IDD

IDD

IDD

IDD

IDD

IDD

IDD

IDD

DC CHARACTERISTICS

Absolute Maximum Ratings

PARAMETER

Supply Voltage to VSS Potential

Input/Output to VSS Potential

Allowable Power Dissipation

Storage Temperature

Operating Temperature

RATING

-0.5 to +7.0

-0.5 to VDD +0.5

1.5

-65 to +150

0 to +70

UNIT

V

V

W

°C

°C

Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the

device.

Operating Characteristics

(VDD = 5V ±10%, VSS = 0V, TA = 0 to 70° C)

PARAMETER

SYM.

TEST CONDITIONS

Input Low Voltage

VIL

-

Input High Voltage

VIH

-

Input Leakage Current ILI VIN = VSS to VDD

Output Leakage

Current

ILO VI/O = VSS to VDD

Output Pins in High Z,

See Truth Table

Output Low Voltage

VOL IOL = +8.0 mA

Output High Voltage VOH IOH = -4.0 mA

MIN.

-0.5

+2.2

-10

-10

TYP.

-

-

-

-

MAX.

+0.8

VDD +0.5

+10

+10

UNIT

V

V

µA

µA

-

-

0.4

V

2.4 -

-

V

-2-

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