UPD720122F1-DN2-A Renesas Electronics America, UPD720122F1-DN2-A Datasheet - Page 24

• Manufacturer Part Number: UPD720122F1-DN2-A
• Manufacturer: Renesas Electronics America

Specifications of UPD720122F1-DN2-A

• Lead Free Status / RoHS Status: Supplier Unconfirmed

(2) CPU bus write operation
CPU bus write timing
22
T11
T12
T13
T14
T15
T16
T17
T18
T19
Symbol
Remark It is assumed that the external pin capacitance is 15 pF (data bus = 50 pF).
A7 to A1
CSB
WRB
RDB
D15 to D0
Write cycle time
Address setup time (WRB↓)
Chip select setup time (WRB↓)
Write command width
Address hold time (WRB↑)
Chip select hold time (WRB↑)
WRB inactive time
Input data setup time
Input data hold time
High level
t
12
t
13
Parameter
Data Sheet S16685EJ3V0DS
VALID
t
14
t
11
t
18
VALID
Min.
68
34
34
10
5
5
5
5
0
t
19
t
t
15
16
Typ.
t
17
µ
PD720122
Max.
∞
∞
∞
∞
∞
∞
∞
∞
∞
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns