WS57C43C-55T STMicroelectronics, WS57C43C-55T Datasheet - Page 4
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WS57C43C-55T
Manufacturer Part Number
WS57C43C-55T
Description
Manufacturer
STMicroelectronics
Datasheet
1.WS57C43C-55T.pdf
(7 pages)
Specifications of WS57C43C-55T
Density
32Kb
Organization
4Kx8
Access Time (max)
55ns
Operating Current
40mA
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
NOTES: 4. This parameter is only sampled and is not 100% tested.
TEST LOAD
WS57C43C
CAPACITANCE
NOTE: 6. Provide adequate decoupling capacitance as close as possible to this device to achieve the published A.C. and D.C. parameters.
2-34
2.01 V
SYMBOL
C
C
C
D.U.T.
IN
OUT
VPP
5.Typical values are for T
A 0.1 microfarad capacitor in parallel with a 0.01 microfarad capacitor connected between V
Inadequate decoupling may result in access time degradation or other transient performance failures.
(High Impedance Test Systems)
98
(4)
Output Capacitance
Input Capacitance
V
T
PARAMETER
PP
A
= 25°C, f = 1 MHz
Capacitance
A
= 25°C and nominal supply voltages.
30 pF
(INCLUDING SCOPE
AND JIG
CAPACITANCE)
CONDITIONS
V
V
V
OUT
PP
IN
= 0 V
= 0V
= 0V
A.C. TESTING INPUT/OUTPUT WAVEFORM
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.
3.0
0.0
TYP
18
1.5
4
8
(5)
CC
POINTS
TEST
and ground is recommended.
MAX
12
25
6
1.5
UNITS
pF
pF
pF