W27C020 Datasheet, PDF (5/14 Pages) Winbond – 256K X 8 ELECTRICALLY ERASABLE EPROM

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
D_OUT
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