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

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

•
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
MIN.
PD43256B-
85
10
10
5
A85X
Symbol
MAX.
t
t
t
t
t
t
85
85
50
35
35
t
t
t
ACS
OLZ
CHZ
OHZ
CLZ
OE
OH
RC
AA
MIN.
V
100
PD43256B-
10
10
5
CC
MIN.
A10X
PD43256B-70X
70
10
10
5
3.0 V
MAX.
Data Sheet M11012EJ4V0DS
100
100
60
35
35
MAX.
MIN.
120
PD43256B-
10
10
70
70
35
30
30
5
A12X
MAX.
120
120
60
40
40
MIN.
PD43256B-85X
85
10
10
5
MIN.
100
PD43256B-
10
10
V
5
CC
B10X
MAX.
4.5 V
100
100
MAX.
60
35
35
85
85
40
30
30
MIN.
V
120
PD43256B-
10
10
5
CC
B12X
MIN.
PD43256B-AxxX
PD43256B-BxxX
100
2.7 V
10
10
MAX.
5
120
120
60
40
40
MIN.
150
PD43256B-
10
10
5
MAX.
PD43256B-X
100
100
B15X
50
35
35
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
Con-
Note
dition
Note
Con-
9