W27C020 查看數據表（PDF） - Winbond

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W27C020

256K X 8 ELECTRICALLY ERASABLE EPROM

Winbond 

Preliminary W27C020

CAPACITANCE

(VCC = 5V, TA = 25° C, f = 1 MHz)

PARAMETER

Input Capacitance

Output Capacitance

SYMBOL

CIN

COUT

CONDITIONS

VIN = 0V

VOUT = 0V

MAX.

6

12

UNIT

pF

pF

AC CHARACTERISTICS

AC Test Conditions

PARAMETER

Input Pulse Levels

Input Rise and Fall Times

Input and Output Timing Reference Level

Output Load

CONDITIONS

70 nS

90/120 nS

0 to 3.0V

0.45V to 2.4V

5 nS

10 nS

1.5V/1.5V

0.8V/2.0V

CL = 30 pF,

CL = 100 pF,

IOH/IOL = -0.4 mA/2.1 mA IOH/IOL = -0.4 mA/2.1 mA

AC Test Load and Waveforms

+1.3V

(IN914)

3.3K ohm

DOUT

Input/Output

For 90/120 nS

2.4V

0.45V

For 70 nS

3.0V

0V

100 pF for 90/120 nS (Including Jig and Scope)

30 pF for 70 nS (Including Jig and Scope)

Test Points

2.0V

0.8V

Test Points

2.0V

0.8V

Test Point

1.5V

Test Point

1.5V

Publication Release Date: September 1998

-5-

Revision A1

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