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參數(shù)資料
| 型號(hào)： | RP5C01A |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | XO, clock |
| 英文描述： | REAL-TIME CLOCK WITH INTERNAL RAM |
| 中文描述： | 0 TIMER(S), REAL TIME CLOCK, PDIP18 |
| 封裝： | DIP-18 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大小： | 124K |
| 代理商： | RP5C01A |
RP/RF5C01A
4
AC ELECTRICAL CHARACTERISTICS
(Vcc=5V±5%)
Symbol
Item
Conditions
MIN.
TYP.
MAX.
Unit
t
AC
Address–RD/WR Delay Time
170
ns
t
cc
RD/WR Pulse Width
400
10000
ns
t
CA
Address Effective Time after rising
of RD/WR
10
ns
t
RD
Data Delay Time after falling of RD
340
ns
t
RDH
Data Hold Time after rising of RD
0
ns
t
WDL
Data Delay Time after falling of WR
40
ns
t
WD
Data Hold Time after rising of WR
20
ns
(Ta=0 to 70C)
AC ELECTRICAL CHARACTERISTICS
(Vcc=5V±10%)
Symbol
Item
Conditions
MIN.
TYP.
MAX.
Unit
t
AC
Address–RD/WR Delay Time
170
ns
t
cc
RD/WR Pulse Width
450
10000
ns
t
CA
Address Effective Time after rising
of RD/WR
10
ns
t
RD
Data Delay Time after falling of RD
400
ns
t
RDH
Data Hold Time after rising of RD
0
ns
t
WDL
Data Delay Time after falling of WR
40
ns
t
WD
Data Hold Time after rising of WR
20
ns
(Ta=0 to 70C)
TIMING CHART
t
WDL
t
CC
t
AC
t
WD
t
CA
CS
A
0
to A
3
D
0 to
D
3
WR
*
*
Write Cycle (CS=
“
H
”
)
*
) The RP/RF5C01A accept WR signals only when CS=“L” and CS=“H”. Although CS timing is not specified for the RP/RF5C01A, substitute WR signals
shown above with CS · WR signals to be applicable to the RP/RF5C01A configuration.
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