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IDT72V8985 Datasheet(PDF) 11 Page - Integrated Device Technology

Part No. IDT72V8985
Description  3.3 VOLT TIME SLOT INTERCHANGE DIGITAL SWITCH 256 x 256
Download  14 Pages
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

IDT72V8985 Datasheet(HTML) 11 Page - Integrated Device Technology

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11
Commercial Temperature Range
IDT72V8985 3.3V Time Slot Interchange
Digital Switch 256 x 256
Figure 8. GCI Timing
tDAA
TX
RX
5707 drw11
tSTiS
tSTiH
tWFH
F0i
C4i
tCH
tCL
tf
tr
tC4i
Ch. 31
Bit 7
Ch. 0
Bit 0
Ch. 0
Bit 1
Ch. 0
Ch. 0
Bit 1
Bit 0
Ch. 31
Bit 7
tF0iS
tF0iH
AC ELECTRICAL CHARACTERISTICS(1)
 GCI TIMING
NOTE:
1. Timing is over recommended temperature and power supply voltages.
2. Typical figures are at 25
°C and are for design aid only; not guaranteed and not subject to production testing.
Symbol
Parameter
Min.
Typ.(2)
Max.
Units
Test Conditions
tC4i
Clock Period
244
ns
tCL, tCH
Pulse Width
122
ns
tWFH
Frame Width High
244
ns
tF0iS
FrameSetup
5
20
190
ns
tF0iH
Frame Hold
5
20
190
ns
tDAA
Data Delay/Clock Active to Active
40
60
ns
C
L = 150pF
tSTiS
RX Input Setup
10

ns
tSTiH
RX Input Hold
10

ns
tr, tf
Clock Rise/Fall Time

10
ns


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