upd43256b-x Renesas Electronics Corporation., upd43256b-x Datasheet - Page 9

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

Read Cycle (1/2)
Note
Remark These AC characteristics are in common regardless of package types and L, LL versions.
Read Cycle (2/2)
Note
Remark These AC characteristics are in common regardless of package types.
Read cycle time
Address access time
/CS access time
/OE access time
Output hold from address change
/CS to output in low impedance
/OE to output in low impedance
/CS to output in high impedance
/OE to output in high impedance
Read cycle time
Address access
time
/CS access time
/OE access time
Output hold from
address change
/CS to output in
low impedance
/OE to output in
low impedance
/CS to output in
high impedance
/OE to output in
high impedance
Parameter
See the output load.
See the output load.
Parameter
Symbol
t
t
t
t
t
t
t
t
t
OHZ
ACS
CLZ
OLZ
CHZ
RC
OE
OH
AA
μ
MIN.
PD43256B-
85
10
10
5
A85X
Symbol
MAX.
t
t
t
t
t
t
t
t
85
85
50
35
35
t
ACS
CHZ
OHZ
CLZ
OLZ
RC
AA
OE
OH
μ
MIN.
V
100
PD43256B-
10
10
5
CC
μ
MIN.
A10X
PD43256B-70X
70
10
10
≥ 3.0 V
5
MAX.
Data Sheet M11012EJ6V0DS
100
100
60
35
35
MAX.
μ
MIN.
120
PD43256B-
10
10
70
70
35
30
30
5
A12X
MAX.
120
120
60
40
40
μ
MIN.
PD43256B-85X
85
10
10
5
μ
MIN.
100
PD43256B-
10
10
V
5
CC
B10X
≥ 4.5 V
MAX.
100
100
MAX.
60
35
35
85
85
40
30
30
μ
MIN.
V
120
PD43256B-
10
10
5
CC
B12X
≥ 2.7 V
μ
μ
MIN.
PD43256B-AxxX
PD43256B-BxxX
100
10
10
MAX.
5
120
120
60
40
40
μ
MIN.
μ
150
PD43256B-
10
10
5
MAX.
PD43256B-X
100
100
50
35
35
B15X
MAX.
150
150
70
50
50
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
dition
Note
Con-
dition
Note
Con-
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