W26020A-20 Winbond, W26020A-20 Datasheet - Page 4

• Manufacturer Part Number: W26020A-20
• Description: 128K X 16 High Speed CMOS Static RAM
• Manufacturer: Winbond

AC Test Loads and Waveform
Read Cycle
(V
Read Cycle Time
Address Access Time
Chip Select Access Time
Output Enable to Output Valid
Output Hold from Address Change
Chip Select to Output in Low Z
Chip Deselect to Output in High Z
Output Enable to Output in Low Z
Output Disable to Output in High Z
UB , LB Access Time
UB , LB Select to Output in Low Z
UB , LB Deselect to Output in High Z
These parameters are sampled but not 100% tested.
DD
= 5V 10%, V
OUTPUT
5V
PARAMETER
SS
= 0V, T
R1 480 ohm
A
30 pF
Including
Jig and
Scope
= 0 to 70 C)
R2
255 ohm
3.0V
0V
3 nS
SYM.
T
T
T
TAOE
T
T
T
T
T
T
T
T
RC
AA
ACS
BA
OH
CLZ*
CHZ*
OLZ*
OHZ
BLZ *
BHZ*
10%
*
90%
- 4 -
MIN.
10%
20
4
3
0
0
W26020A-20
90%
( For T
3 nS
OUTPUT
CLZ,
MAX.
5V
20
20
10
10
10
10
10
-
T
BLZ,
T
OLZ,
R1 480 ohm
T
CHZ,
MIN.
Including
Jig and
Scope
5 pF
25
5
5
0
0
W26020A-25
T
BHZ,
T
OHZ,
W26020A
MAX.
T
R2
255 ohm
WHZ,
25
25
12
12
12
12
12
-
T
OW
)
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS