W49F020-70 Winbond, W49F020-70 Datasheet - Page 11
W49F020-70
Manufacturer Part Number
W49F020-70
Description
256K X 8 CMOS FLASH MEMORY
Manufacturer
Winbond
Datasheet
1.W49F020-70.pdf
(21 pages)
- Current page: 11 of 21
- Download datasheet (191Kb)
Power-up Timing
CAPACITANCE
(V
AC CHARACTERISTICS
AC Test Conditions
AC Test Load and Waveform
Power-up to Read Operation
Power-up to Write Operation
I/O Pin Capacitance
Input Capacitance
DD
Input Pulse Levels
Input Rise/Fall Time
Input/Output Timing Level
Output Load
= 5.0V, T
PARAMETER
A
= 25 C, f = 1 MHz)
PARAMETER
PARAMETER
Input
3V
0V
SYMBOL
100 pF for 90nS
(Including Jig and
C
C
30 pF for 70nS
I/O
IN
D
OUT
Scope)
Test Point
0V to 3.0V
< 5 nS
1.5V/1.5V
1 TTL Gate and C
T
CONDITIONS
T
1.5V
PU
V
PU
V
SYMBOL
- 11 -
I/O
. WRITE
IN
. READ
= 0V
= 0V
Output
1.5V
Test Point
+5V
C
L
1.3K
1.8K
L
= 30 pF for 70nS
Preliminary W49F020
= 100 pF for 90nS
Publication Release Date: October 1999
CONDITIONS
TYPICAL
MAX.
100
12
6
5
UNIT
UNIT
Revision A1
mS
pf
pf
S
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