WS57C51C-55T STMicroelectronics, WS57C51C-55T Datasheet - Page 4

• Manufacturer Part Number: WS57C51C-55T
• Manufacturer: STMicroelectronics

Specifications of WS57C51C-55T

• Density: 128Kb
• Organization: 16Kx8
• Access Time (max): 55ns
• Operating Current: 50mA
• Interface Type: Parallel
• Package Type: CDIP
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: 0C to 70C
• Pin Count: 28
• Mounting: Through Hole
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / RoHS Status: Supplier Unconfirmed

CAPACITANCE
WS57C51C
NOTES: 4. This parameter is only sampled and is not 100% tested.
TEST LOAD
2-50
NOTE: 6. Provide adequate decoupling capacitance as close as possible to this device to achieve the published A.C. and D.C. parameters.
2.01 V
D.U.T.
SYMBOL
C
C
C
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)
Input Capacitance
Output Capacitance
V
PP
T
PARAMETER
A
Capacitance
= 25°C, f = 1 MHz
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
4
8
1.5
(5)
CC
POINTS
TEST
and ground is recommended.
MAX
12
25
6
1.5
UNITS
pF
pF
pF