參數(shù)資料
型號: UPD720122
廠商: NEC Corp.
英文描述: MOS Integrated Circuit
中文描述: 馬鞍山集成電路
文件頁數(shù): 23/82頁
文件大?。?/td> 650K
代理商: UPD720122
Data Sheet S16685EJ2V0DS
23
μ
PD720122
(3) CPU BUS RDB vs. WRB timing
Symbol
Parameter
Min.
Typ.
Max.
Unit
T20
WRB vs. RDB inactive time
34
ns
Remark
It is assumed that the external pin capacitance is 15 pF (data bus = 50 pF).
CPU bus read vs. write change timing
WRB
RDB
CSB
Low level
t
20
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