UPD43256BGU-85LL Renesas Electronics America, UPD43256BGU-85LL Datasheet - Page 14

• Manufacturer Part Number: UPD43256BGU-85LL
• Manufacturer: Renesas Electronics America

Specifications of UPD43256BGU-85LL

• Density: 256Kb
• Access Time (max): 85ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 15b
• Package Type: SOP
• Operating Temp Range: 0C to 70C
• Number Of Ports: 1
• Supply Current: 45mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 28
• Word Size: 8b
• Number Of Words: 32K
• Lead Free Status / Rohs Status: Not Compliant

Write Cycle (1/2)
Note
Remark These AC characteristics are in common regardless of package types and L, LL versions.
Write Cycle (2/2)
Note
Remark These AC characteristics are in common regardless of package types.
12
Write cycle time
/CS to end of write
Address valid to end of write
Write pulse width
Data valid to end of write
Data hold time
Address setup time
Write recovery time
/WE to output in high impedance
Output active from end of write
Write cycle time
/CS to end of write
Address valid to
end of write
Write pulse width
Data valid to end
of write
Data hold time
Address setup
Write recovery
/WE to output in
high impedance
Output active
from end of write
Parameter
See the output load.
See the output load.
Parameter
Symbol
t
t
t
t
t
t
t
t
t
t
WHZ
WC
CW
AW
WP
DW
WR
OW
DH
AS
MIN.
μ
85
70
70
60
60
10
PD43256B
0
0
0
-A85
Symbol
MAX.
t
t
t
t
t
t
t
t
t
t
WHZ
WC
CW
DW
WR
OW
AW
WP
DH
30
AS
MIN.
μ
100
Data Sheet M10770EJGV0DS
V
70
70
60
60
10
PD43256B
0
0
0
CC
-A10
≥ 3.0 V
MIN.
70
50
50
55
30
10
MAX.
0
0
0
μ
35
PD43256B-70
MIN.
μ
120
90
90
80
70
10
0
0
0
PD43256B
-A12
MAX.
30
MAX.
40
V
CC
≥ 4.5 V
MIN.
μ
100
70
70
60
60
10
μ
PD43256B
0
0
0
PD43256B-A85/A10/A12
μ
-B10
MIN.
PD43256B-B10/B12
85
70
70
60
35
10
0
0
0
μ
MAX.
PD43256B-85
V
35
CC
≥ 2.7 V
MIN.
μ
120
90
90
80
70
10
PD43256B
0
0
0
MAX.
-B12
30
MAX.
40
μ
PD43256B
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Condition
Condition
Note
Note