UPD43256BGW-70X-9JL NEC [NEC], UPD43256BGW-70X-9JL Datasheet - Page 8

• Manufacturer Part Number: UPD43256BGW-70X-9JL
• Description: 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT EXTENDED TEMPERATURE OPERATION
• Manufacturer: NEC [NEC]

•
AC Characteristics (Recommended Operating Conditions Unless Otherwise Noted)
AC Test Conditions
8
[ PD43256B-A85X, PD43256B-A10X, PD43256B-A12X, PD43256B-B10X,
[ PD43256B-70X, PD43256B-85X]
2.4 V
0.6 V
2.4 V
0.4 V
Input Waveform (Rise and Fall Time
Output Waveform
Output Load
Input Waveform (Rise and Fall Time
Output Waveform
Output Load
AC characteristics should be measured with the following output load conditions.
AC characteristics should be measured with the following output load conditions.
Remark C
I/O (Output)
t
AA
1TTL + 50 pF
, t
L
ACS
includes capacitance of the probe and jig, and stray capacitance.
, t
990
(t
AA
OE
, t
, t
Figure 1
OH
ACS
1.5 V
1.5 V
1.5 V
1.5 V
, t
OE
, t
OH
+5 V
5 ns)
5 ns)
)
Data Sheet M11012EJ4V0DS
1.8 k
100 pF
C
L
Test points
Test points
Test points
Test points
t
I/O (Output)
CHZ
(t
, t
CHZ
CLZ
1TTL + 5 pF
, t
, t
CLZ
OHZ
, t
, t
1.5 V
1.5 V
990
1.5 V
1.5 V
Figure 2
OLZ
OHZ
, t
, t
WHZ
OLZ
PD43256B-B12X, PD43256B-B15X]
, t
, t
OW
WHZ
, t
+5 V
OW
PD43256B-X
)
1.8 k
5 pF
C
L