W27C020M Datasheet, PDF (5/14 Pages) Winbond – 256K X 8 ELECTRICALLY ERASABLE EPROM

Preliminary W27C020M
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
AC Test Load and Waveforms
70 nS
0 to 3.0V
5 nS
1.5V/1.5V
CONDITIONS
90/120 nS
0.45V to 2.4V
10 nS
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
+1.3V
(IN914)
3.3K ohm
D_OUT
Input/Outpu
t
2.4V
For 90/120 nS
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: March 1999
-5-
Revision A1