參數(shù)資料
型號(hào): UPD720122F1-DN2
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(yè)數(shù): 64/82頁(yè)
文件大?。?/td> 650K
代理商: UPD720122F1-DN2
Data Sheet S16685EJ2V0DS
64
μ
PD720122
(e) External local bus 8-bit mode DMA EP1_Read transfer vs. EP2_Write transfer timing
Symbol
Parameter
Min.
Typ.
Max.
Unit
L8T68
EP1_RDB vs. EP2_WRB command inactive time
34
ns
Remark
It is assumed that the external pin capacitance is 15 pF (data bus = 50 pF).
EP1_DACKB
EP1_RDB
EP1_DRQB
L8t
45
L8t
57
EP2_DACKB
EP2_WRB
EP2_DRQB
L8t
58
L8t
68
Low level
Low level
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