參數(shù)資料
型號: UPD61051
廠商: NEC Corp.
英文描述: MOS INTEGRATED CIRCUIT MPEG2 AUDIO/VIDEO ENCODER
中文描述: 馬鞍山集成電路MPEG2音頻/視頻編碼器
文件頁數(shù): 77/106頁
文件大?。?/td> 824K
代理商: UPD61051
Data Sheet S15082EJ4V0DS
77
μ
PD61051, 61052
(6)
Stream input interface
(a)
Parallel stream input
Valid mode
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
ISCLK cycle
t
ISCcyc
80
ns
ISCLK low-level width
t
ISCLW
37
ns
ISCLK high-level width
t
ISCHW
37
ns
ISREQ output hold time
t
ISRQHO
Vs active edge of ISCLK
0
ns
ISVLD setup time
t
ISVS
Vs active edge of ISCLK
7
ns
ISVLD hold time
t
ISVH
Vs active edge of ISCLK
3
ns
ISSYNC setup time
t
ISSS
Vs active edge of ISCLK
7
ns
ISSYNC hold time
t
ISSH
Vs active edge of ISCLK
3
ns
IS7 to IS0 setup time
t
ISDS
Vs active edge of ISCLK
7
ns
IS7 to IS0 hold time
t
ISDH
Vs active edge of ISCLK
3
ns
Data cycle time
t
DCYC
80
ns
Remark
ISREQ is effective only when it works by the master mode. ISREQ becomes invalid asynchronously to
ISCLK. ISREQ output delay time doesn't prescribe to ISCLK.
ISVLD (I)
IS7 to IS0 (I)
ISSYNC (I)
ISCLK (I)
ISREQ (O)
Valid
data
Valid
data
Valid
data
Valid
data
No
received
data
t
ISCLW
t
ISVS
t
ISVH
t
DCYC
t
ISDH
t
ISSH
t
ISDS
t
ISSS
t
ISCHW
t
ISCYC
t
ISRQHO
Valid data
Valid data
Valid data
Valid data
1st of packet
Remark
ISSYNC is active high, SREQ is active high and ISCLK is active high edge.
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