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DS2143 Datasheet(PDF) 38 Page - Dallas Semiconductor

Part # DS2143
Description  E1/ISDN-PRI framing transceiver
PDF  44 Pages
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Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS2143 Datasheet(HTML) 38 Page - Dallas Semiconductor

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DS2143/DS2143Q
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AC CHARACTERISTICS - PARALLEL PORT
(0
°C to 70°C; V
DD = 5V + 10%)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Cycle Time
tCYC
250
ns
Pulse Width, DS Low or RD High
PWEL
150
ns
Pulse Width, DS High or RD Low
PWEH
100
ns
Input Rise/Fall Times
tR, tF
30
ns
R/ W Hold Time
tRWH
10
ns
R/ W Setup Time Before DS High
tRWS
50
ns
CS
Setup Time Before DS, WR or RD
active
tCS
20
ns
CS
Hold Time
tCH
0ns
Read Data Hold Time
tDHR
10
50
ns
Write Data Hold Time
tDHW
0ns
Muxed Address Valid to AS or ALE Fall
tASL
20
ns
Muxed Address Hold Time
tAHL
10
ns
Delay Time, DS, WR or RD to AS or ALE
Rise
tASD
25
ns
Pulse Width AS or ALE High
PWASH
40
ns
Delay Time, AS or ALE to DS, WR or RD
tASED
20
ns
Output Data Delay Time from DS or RD
tDDR
20
100
ns
Data Setup Time
tDSW
80
ns



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