w27c020 Winbond Electronics Corp America, w27c020 Datasheet - Page 5

• Manufacturer Part Number: w27c020
• Description: 256k X 8 Electrically Erasable Eprom
• Manufacturer: Winbond Electronics Corp America

CAPACITANCE
(V
AC CHARACTERISTICS
AC Test Conditions
AC Test Load and Waveforms
Input Capacitance
Output Capacitance
Input Pulse Levels
Input Rise and Fall Times
Input and Output Timing Reference Level
Output Load
CC
= 5V, T
PARAMETER
A
= 25 C, f = 1 MHz)
PARAMETER
Input/Output
For 90/120 nS
D
OUT
For 70 nS
0.45V
2.4V
3.0V
0V
SYMBOL
C
C
IN
OUT
Test Points
Test Point
0 to 3.0V
5 nS
1.5V/1.5V
C
I
OH
+1.3V
L
= 30 pF,
/I
- 5 -
OL
(IN914)
3.3K ohm
1.5V
100 pF for 90/120 nS (Including Jig and Scope)
30 pF for 70 nS (Including Jig and Scope)
2.0V
0.8V
CONDITIONS
= -0.4 mA/2.1 mA
V
V
IN
OUT
70 nS
= 0V
2.0V
0.8V
= 0V
1.5V
Publication Release Date: September 1998
Preliminary W27C020
Test Points
Test Point
CONDITIONS
0.45V to 2.4V
10 nS
0.8V/2.0V
C
I
OH
L
MAX.
= 100 pF,
/I
12
OL
6
= -0.4 mA/2.1 mA
90/120 nS
Revision A1
UNIT
pF
pF