參數(shù)資料
型號: UPD31172F1-48-FN
元件分類: 外設及接口
英文描述: MULTIFUNCTION PERIPHERAL, PBGA208
封裝: 15 X 15 MM, PLASTIC, FBGA-208
文件頁數(shù): 27/44頁
文件大?。?/td> 279K
代理商: UPD31172F1-48-FN
Data Sheet U14388EJ2V0DS00
33
PD31172
(f)
Read timing in EPP1.9 mode
Parameter
Symbol
Conditions
MIN.
MAX.
Unit
IOCHRDY setup time
t32
3 T
ns
STROBE# setup time, DIR1284 cancellation time
(from IOR#
↓)
t33
5 T
ns
STROBE# setup time, DIR1284 cancellation time
(from BUSY
↓)
t34
4 T
ns
SELECTIN#, AUTOFEED# setup time
(from IOR#
↓)
t35
6 T
ns
SELECTIN#, AUTOFEED# setup time
(from DIR1284
↑)
t36
30
ns
Timeout generation time
t37
10
s
SELECTIN#, AUTOFEED# cancellation time
(from IOR#
↑)
t38
3 T
ns
CD (7:0) hold time
t39
0ns
IOCHRDY cancellation time
t40
3 T
ns
STROBE# cancellation time, DIR1284 setup time
t41
1 T
ns
Remark T: Parallel interface internal clock cycle (41.6 ns (MIN.))
AD (24:0)
(input)
IOR# (input)
DATA (31:0)
(output)
IOCHRDY
(output)
STROBE#
(output)
SELECTIN#
AUTOFEED#
(output)
CD (7:0)
(input)
DIR1284
(output)
BUSY
(input)
t34
t36
t38
t39
t32
t40
Valid data
Hi-Z
t37
t33
t41
t35
t33
t41
t34
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