57C49C-25 STMICROELECTRONICS [STMicroelectronics], 57C49C-25 Datasheet - Page 4

• Manufacturer Part Number: 57C49C-25
• Description: HIGH SPEED 8K x 8 CMOS PROM/RPROM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

NOTES: 4. This parameter is only sampled and is not 100% tested.
TEST LOAD
WS57C49C
2-42
CAPACITANCE
NOTE: 6. Provide adequate decoupling capacitance as close as possible to this device to achieve the published A.C. and D.C. parameters.
2.01 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)
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
4
8
1.5
(5)
CC
POINTS
TEST
and ground is recommended.
MAX
12
25
6
1.5
UNITS
pF
pF
pF