参数资料
型号: DS21554LN
厂商: DALLAS SEMICONDUCTOR
元件分类: Digital Transmission Interface
英文描述: DATACOM, PCM TRANSCEIVER, PQFP100
封装: 14 X 14 MM, LQFP-100
文件页数: 10/117页
文件大小: 698K
代理商: DS21554LN
DS21354 & DS21554
107 of 117
21.2 Non-Multiplexed Bus AC Characteristics
AC CHARACTERISTICS – NON-MULTIPLEXED PARALLEL PORT (MUX = 0)
[See Figure 21-4 to Figure 21-7]
(0
°°°°C to 70°°°°C; VDD = 3.3V ±±±± 5% for DS21354L;
0
°°°°C to 70°°°°C; VDD = 5.0V ±±±± 5% for DS21554L;
-40
°°°°C to +85°°°°C; VDD = 3.3V ±±±± 5% for DS21354LN;
-40
°°°°C to +85°°°°C; VDD = 5.0V ±±±± 5% for DS21554LN)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Set Up Time for A0 to A7, Valid to
CS* Active
t1
0
ns
Set Up Time for CS* Active to
either RD*, WR*, or DS* Active
t2
0
ns
Delay Time from either RD* or DS*
Active to Data Valid
t3
75
ns
Hold Time from either RD*, WR*,
or DS* Inactive to CS* Inactive
t4
0
ns
Hold Time from CS* Inactive to
Data Bus 3–state
t5
5
20
ns
Wait Time from either WR* or DS*
Active to Latch Data
t6
75
ns
Data Set Up Time to either WR* or
DS* Inactive
t7
10
ns
Data Hold Time from either WR* or
DS* Inactive
t8
10
ns
Address Hold from either WR* or
DS* inactive
t9
10
ns
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