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參數(shù)資料
| 型號： | 935260938557 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP44 |
| 封裝： | PLASTIC, SOT-205, QFP-44 |
| 文件頁數(shù)： | 8/26頁 |
| 文件大?。?/td> | 197K |
| 代理商： | 935260938557 |
1998 Feb 05
16
Philips Semiconductors
Objective specication
Multimedia video data acquisition circuit
SAA5284
Fig.7 Motorola mode interface write cycle timing.
handbook, full pagewidth
MGK149
D7 to D0
A2 to A0
LDS
A
(1)
B
(2)
DTACK
t1
t2
t6
t4
t5
t3
t0
valid address
valid data
3-state
R/W
CS1 or CS0
t7
(1) Event A occurs when LDS + CS0 + CS1 = 0 (boolean).
(2) Event B occurs when LDS + CS0 + CS1 = 1 (boolean).
Table 7
Motorola-mode interface write cycle timing (12 MHz clock)
SYMBOL
DESCRIPTION
MIN.
MAX.
UNIT
t0
minimum cycle time
333
417
ns
t1
address set-up time before event A
0
ns
t2
address hold time after event B
0
ns
t3
data hold time from event B
0
ns
t4
data set-up time
0
ns
t5
DTACK set-up time
212
ns
t6
LDS HIGH to DTACK HIGH
83
212
ns
t7
delay between cycles
83
ns
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