UPD43256BGU-85L NEC, UPD43256BGU-85L Datasheet - Page 10

• Manufacturer Part Number: UPD43256BGU-85L
• Description: IC'S
• Manufacturer: NEC

Read Cycle (1/2)
Read Cycle (2/2)
10
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
Notes 1. See the output load shown in Figure 1 except for PD43256B-A, 43256B-B.
Remark These AC characteristics are in common regardless of package types and L, LL versions.
Note Loading condition is 1TTL + 100 pF.
Remark These AC characteristics are in common regardless of package types and L, LL versions.
Parameter
2. See the output load shown in Figure 2 except for PD43256B-A, 43256B-B.
Parameter
Symbol
t
t
t
t
t
t
t
t
t
ACS
CLZ
OLZ
CHZ
OHZ
RC
AA
OE
OH
Symbol
MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX.
PD43256B-A85
85
10
10
t
t
t
t
t
5
t
t
t
t
ACS
CHZ
OHZ
CLZ
OLZ
RC
AA
OE
OH
85
85
50
35
35
V
PD43256B-A10
MIN.
100
CC
10
10
70
10
10
5
5
PD43256B-70
3.0 V
100
100
60
35
35
120
PD43256B-A12
10
10
5
MAX.
70
70
35
30
30
120
120
60
40
40
V
CC
PD43256B-B10
100
4.5 V
10
10
5
PD43256B-85
PD43256B-A85/A10/A12
PD43256B-B10/B12/B15
MIN.
100
100
85
10
10
60
35
35
5
V
PD43256B-B12 PD43256B-B15
120
CC
10
10
5
2.7 V
120
120
60
40
40
MAX.
85
85
40
30
30
150
10
10
5
150 ns Note
150 ns
Unit Condition
70
50
50
ns
ns
ns
ns
ns
ns
ns
ns
ns
PD43256B
Unit
ns
ns
ns
ns
ns
ns
ns
Note 1
Note 2
Con-
dition