W27E020 Datasheet, PDF (5/14 Pages) Winbond – 256K X 8 ELECTRICALLY ERASABLE EPROM

Preliminary W27E020
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
D_OUT
Input/Output
For 90/120 nS
2.4V
0.45V
3.0V
For 70 nS
0V
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
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
2.0V
0.8V
Test Points
Test Point
1.5V
Test Point
1.5V
Publication Release Date: December 1997
-5-
Revision A1