upd43256b-x Renesas Electronics Corporation., upd43256b-x Datasheet - Page 8

• Manufacturer Part Number: upd43256b-x
• Description: 256k-bit Cmos Static Ram 32k-word By 8-bit Extended Temperature Operation
• Manufacturer: Renesas Electronics Corporation.

AC Characteristics (Recommended Operating Conditions Unless Otherwise Noted)
AC Test Conditions
8
[
[
μ
2.4 V
0.6 V
2.4 V
0.4 V
μ
Input Waveform (Rise and Fall Time ≤ 5 ns)
Output Waveform
Output Load
Input Waveform (Rise and Fall Time ≤ 5 ns)
Output Waveform
Output Load
PD43256B-A85X,
AC characteristics should be measured with the following output load conditions.
AC characteristics should be measured with the following output load conditions.
PD43256B-70X,
Remark C
I/O (Output)
μ
t
AA
μ
1TTL + 50 pF
PD43256B-85X]
PD43256B-A10X,
, t
L
ACS
includes capacitance of the probe and jig, and stray capacitance.
, t
990 Ω
(t
AA
OE
, t
, t
Figure 1
OH
ACS
1.5 V
1.5 V
1.5 V
1.5 V
, t
OE
, t
μ
OH
+5 V
PD43256B-A12X,
)
Data Sheet M11012EJ6V0DS
1.8 kΩ
100 pF
C
L
Test points
Test points
Test points
Test points
μ
PD43256B-B10X,
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 Ω
1.5 V
1.5 V
Figure 2
OLZ
OHZ
, t
, t
μ
WHZ
PD43256B-B12X,
OLZ
, t
, t
OW
WHZ
, t
+5 V
OW
μ
PD43256B-X
)
1.8 kΩ
5 pF
C
L
μ
PD43256B-B15X]