w29c020-12b Winbond Electronics Corp America, w29c020-12b Datasheet - Page 11

• Manufacturer Part Number: w29c020-12b
• Description: 256k X 8 Cmos Flash Memory
• Manufacturer: Winbond Electronics Corp America

Power-up Timing
CAPACITANCE
(V
AC CHARACTERISTICS
AC Test Conditions
(V
AC Test Load and Waveform
Power-up to Read Operation
Power-up to Write Operation
DQ Pin Capacitance
Input Pin Capacitance
DD
DD
Input Pulse Levels
Input Rise/Fall Time
Input/Output Timing Level
Output Load
= 5.0V, T
= 5.0V 10
PARAMETER
A
= 25 C, f = 1 MHz)
for 90 nS and 120 nS; V
PARAMETER
PARAMETER
DD
SYMBOL
(Including Jig and Scope)
= 5.0V 5% for 70 nS)
C
C
Input
0V
3V
100 pF for 90/120 nS
DQ
IN
30 pF for 70 nS
D
OUT
Test Point
0V to 3V
<5 nS
1.5V/1.5V
1 TTL Gate and C
- 11 -
1.5V
CONDITIONS
T
T
V
V
PU
PU
DQ
IN
SYMBOL
Output
= 0V
. READ
. WRITE
1.5V
= 0V
Test Point
+5V
1.8K
1.3K
C
Publication Release Date: February 1998
L
L
CONDITIONS
= 30 pF for 70 nS
= 100 pF for 90/120 nS
TYPICAL
MAX.
12
100
6
5
W29C020
Revision A3
UNIT
UNIT
mS
pF
pF
S