W27C512
CAPACITANCE
(V
CC
= 5V, T
A
= 25° C, f = 1 MHz)
PARAMETER
Input Capacitance
Output Capacitance
SYMBOL
C
IN
C
OUT
CONDITIONS
V
IN
= 0V
V
OUT
= 0V
MAX.
6
12
UNIT
pF
pF
AC CHARACTERISTICS
AC Test Conditions
PARAMETER
45/70 nS
Input Pulse Levels
Input Rise and Fall Times
Input and Output Timing Reference Level
Output Load
0 to 3.0V
5 nS
1.5V/1.5V
C
L
= 30 pF,
I
OH
/I
OL
= -0.4 mA/2.1 mA
10 nS
0.8V/2.0V
C
L
= 100 pF,
I
OH
/I
OL
= -0.4 mA/2.1 mA
CONDITIONS
90/120 nS
0.45V to 2.4V
AC Test Load and Waveforms
+1.3V
(IN914)
3.3K ohm
D
OUT
100 pF for 90/120 nS (Including Jig and Scope)
30 pF for 45/70 nS (Including Jig and Scope)
Input
Test Points
2.4V
Output
Test Points
2.0V
0.8V
2.0V
0.8V
For 90/120 nS
0.45V
Input
Test Point
3.0V
Output
Test Point
1.5V
1.5V
For 45/70 nS
0V
-5-
Publication Release Date: November 1999
Revision A4