WS57C45-25T STMicroelectronics, WS57C45-25T Datasheet - Page 3
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WS57C45-25T
Manufacturer Part Number
WS57C45-25T
Description
Manufacturer
STMicroelectronics
Datasheet
1.WS57C45-25T.pdf
(9 pages)
Specifications of WS57C45-25T
Density
16Kb
Organization
2Kx8
Access Time (max)
25ns
Interface Type
Parallel
Package Type
CDIP
Operating Temperature Classification
Commercial
Operating Supply Voltage (typ)
5V
Operating Temp Range
0C to 70C
Pin Count
24
Mounting
Through Hole
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Lead Free Status / RoHS Status
Supplier Unconfirmed
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
WS57C45-25T
Manufacturer:
WSI
Quantity:
112
Part Number:
WS57C45-25T
Manufacturer:
WSI
Quantity:
20 000
BLOCK DIAGRAM
TEST LOAD
AC READ TIMING DIAGRAM
2.01 V
D.U.T.
A
O
0
0
INIT
-A
-O
OE
CP
OE
OE/OE
(High Impedance Test Systems)
10
7
S
INIT
A
CP
A
A
A
A
A
A
A
A
A
A
10
98
S
9
8
7
6
5
4
3
2
1
0
DECODER
DECODER
COLUMN
1 OF 64
1 OF 32
t
t
ROW
SOE
PWC
t
CO
t
PWI
t
DI
S
30 pF
(INCLUDING SCOPE
AND JIG
CAPACITANCE)
t
RI
t
PROGRAMMABLE
t
HOE
PWC
t
HZC
S
64
ARRAY
D
C
X
256
Q
t
t
SOE
PWC
S
t
t
HOE
PWC
t
t
HA
LZC
PROGRAMMABLE
MULTIPLEXER
S
MULTIPLEXER
A.C. TESTING INPUT/OUTPUT WAVEFORM
8
X
t
1 OF 32
SOE
t
t
PWC
SA
A.C. testing inputs are driven at 3.0 V for a logic “1” and 0.0 V
for a logic “0.” Timing measurements are made at 1.5 V for
input and output transitions in both directions.
S
t
t
3.0
0.0
HOE
t
PWC
HA
t
CO
S
1.5
TRIGGERED
REGISTER
t
HZOE
EDGE-
8-BIT
CP
POINTS
TEST
t
LZOE
1.5
O
O
O
O
O
O
O
O
7
6
5
4
3
2
1
0
WS57C45
2-23