WS128K32N-35G2TCE WEDC [White Electronic Designs Corporation], WS128K32N-35G2TCE Datasheet - Page 3

• Manufacturer Part Number: WS128K32N-35G2TCE
• Description: 128Kx32 SRAM MULTICHIP PACKAGE, RADIATION TOLLERANT
• Manufacturer: WEDC [White Electronic Designs Corporation]

1. This parameter is guaranteed by design but not tested.
1. This parameter is guaranteed by design but not tested.
December 2000
Rev. 0
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
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
C
eff
= 50 pf
D.U.T.
Current Source
Current Source
White Electronic Designs
I
I
OL
OH
Symbol
Symbol
t
t
t
t
t
t
t
OHZ
WHZ
CLZ
OLZ
CHZ
t
t
t
t
t
t
t
t
OW
t
t
ACS
t
t
RC
OH
OE
WC
CW
AW
DW
WP
AA
AS
AH
DH
1
1
1
1
1
1
FIGURE 2 – AC TEST CIRCUIT
V
V
CC
CC
AC CHARACTERISTICS
AC CHARACTERISTICS
V
(Bipolar Supply)
Min
Min
35
35
25
25
20
25
= 5.0V, GND = 0V, -55°C ≤ T
= 5.0V, GND = 0V, -55°C ≤ T
Z
3
3
0
0
0
0
0
1.5V
-35
-35
Max
Max
35
35
15
20
12
10
3
Notes:
V
I
Tester Impedance Z0 = 75Ω.
V
I
ATE tester includes jig capacitance.
OL
OL
Parameter
Input Pulse Levels
Input Rise and Fall
Input and Output Reference Level
Output Timing Reference Level
Z
Z
A
A
is programmable from -2V to +7V.
is typically the midpoint of V
& I
& I
Min
Min
≤ +125°C
≤ +125°C
45
45
35
35
25
35
3
3
0
0
0
0
0
OH
OH
White Electronic Designs Corporation • [phone] • www.wedc.com
are adjusted to simulate a typical resistive load circuit.
programmable from 0 to 16mA.
-45
-45
AC Test Conditions
Max
Max
45
45
20
20
15
15
WS128K32-XG2TXE
OH
and V
Min
Min
55
55
45
45
25
45
3
3
0
0
0
0
0
OL
.
V
IL
= 0, V
-55
-55
Typ
1.5
1.5
5
IH
Max
Max
= 3.0
55
55
30
20
20
20
ADVANCED
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