WS128K32V ETC1 [List of Unclassifed Manufacturers], WS128K32V Datasheet - Page 4

• Manufacturer Part Number: WS128K32V
• Description: 128Kx32 3.3V SRAM MULTICHIP PACKAGE
• Manufacturer: ETC1 [List of Unclassifed Manufacturers]

4
1. This parameter is guaranteed by design but not tested.
* Commercial and Industrial only.
White Microelectronics • Phoenix, AZ • [phone]
1. This parameter is guaranteed by design but not tested.
* Commercial and Industrial only.
Parameter
Write Cycle
Write Cycle Time
Chip Select to End of Write
Address Valid to End of Write
Data Valid to End of Write
Write Pulse Width
Address Setup Time
Address Hold Time
Output Active from End of Write
Write Enable to Output in High Z
Data Hold Time
Parameter
Read Cycle
Read Cycle Time
Address Access Time
Output Hold from Address Change
Chip Select Access Time
Output Enable to Output Valid
Chip Select to Output in Low Z
Output Enable to Output in Low Z
Chip Disable to Output in High Z
Output Disable to Output in High Z
FIG. 3
AC TEST CIRCUIT
C
eff
= 50 pf
D.U.T.
Current Source
Current Source
I
I
OL
OH
Symbol
Symbol
t
t
t
t
t
t
t
CHZ
OHZ
t
t
t
WHZ
t
t
t
t
CLZ
OLZ
t
t
ACS
t
t
t
OW
(V
RC
OH
OE
(V
WC
CW
AW
DW
WP
AA
AS
AH
DH
AC CHARACTERISTICS
AC CHARACTERISTICS
CC
CC
1
1
1
1
1
1
= 3.3V, T
= 3.3V, T
V
(Bipolar Supply)
Z
Min
Min
15
13
13
10
13
15
0
0
5
0
0
5
5
1.5V
-15*
-15*
A
A
Max
= -55 C to +125 C)
= -55 C to +125 C)
Max
4
15
15
10
8
8
8
Min
Min
17
14
14
11
14
17
0
0
5
0
0
5
5
-17
-17
NOTES:
V
I
Tester Impedance Z
V
I
ATE tester includes jig capacitance.
Max
OL
OL
Max
Parameter
Input Pulse Levels
Input Rise and Fall
Input and Output Reference Level
Output Timing Reference Level
Z
Z
17
17
11
9
9
9
is programmable from -2V to +7V.
is typically the midpoint of V
& I
& I
OH
OH
are adjusted to simulate a typical resistive load circuit.
programmable from 0 to 16mA.
Min
Min
20
15
15
12
15
20
0
0
5
0
0
5
5
AC TEST CONDITIONS
-20
-20
Max
Max
10
20
20
12
10
10
0
= 75
Min
Min
25
25
20
20
15
20
.
0
5
5
0
0
5
0
OH
-25
-25
and V
Max
WS128K32V-XXX
Max
10
V
25
25
15
12
12
IL
OL
= 0, V
.
Typ
1.5
1.5
Min
5
Min
35
30
30
18
30
35
0
0
5
0
IH
0
5
5
-35
= 3.0
-35
Max
Max
35
35
20
15
15
15
Unit
ns
V
V
V
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns