參數(shù)資料
型號: UPD720122GC-9EU
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): 55/82頁
文件大小: 650K
代理商: UPD720122GC-9EU
Data Sheet S16685EJ2V0DS
55
μ
PD720122
(If EP1_TCB is input when retransmission is executed)
EP2_WRB
EP2_TCB
L16t
64
L16t
65
EP2_DRQB
EP2_DACKB
L16t
70
L16t
58
(e) External local bus 16-bit mode DMA EP1_Read transfer vs. EP2_Write transfer timing
Symbol
Parameter
Min.
Typ.
Max.
Unit
L16T68
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
EP2_DACKB
EP2_WRB
EP2_DRQB
L16t
45
L16t
57
L16t
58
L16t
68
Low level
Low level
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