參數(shù)資料
型號: SAA7381
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: ATAPI CD-R block decoder
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP144
文件頁數(shù): 80/108頁
文件大小: 380K
代理商: SAA7381
1997 Aug 12
80
Philips Semiconductors
Objective specification
ATAPI CD-R block decoder
SAA7381
Table 108
Multi-word DMA timing; see Fig.17
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
T
cy
cycle time
note 1
Mode 0
Mode 1
Mode 2
Mode 0
Mode 1
Mode 2
Mode 0
Mode 1
Mode 2
note 2
Mode 0
Mode 1
Mode 2
Mode 0
Mode 1
Mode 2
Mode 0
Mode 1
Mode 2
Mode 0
Mode 1
Mode 2
Mode 0
Mode 1
Mode 2
note 1
Mode 0
Mode 1
Mode 2
note 1
Mode 0
Mode 1
Mode 2
Mode 0
Mode 1
Mode 2
480
150
120
215
80
70
150
60
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
W(DIOR/DIOW)
DIOR/DIOW pulse width 16-bit
t
ACC(DIOR)
DIOR data access time
t
h(DIOR)
DIOR data hold time
5
5
5
100
30
20
20
15
10
0
0
0
20
5
5
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
su(DIOW)
DIOW data set-up time
t
h(DIOW)
DIOW data hold time
t
su(DMACK-DIOR/DIOW)
DMACK to DIOR/DIOW set-up time
t
h(DIOR/DIOW-DMACK)
DIOR/DIOW to DMACK hold time
t
Wneg(DIOR)
DIOR negated pulse width
50
50
25
ns
ns
ns
t
Wneg(DIOW)
DIOW negated pulse width
215
50
25
120
40
35
ns
ns
ns
ns
ns
ns
t
d(DIOR-DMARQ)
delay time from DIOR to DMARQ
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