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IDT72V70190 Datasheet(PDF) 7 Page - Integrated Device Technology

Part No. IDT72V70190
Description  3.3 VOLT TIME SLOT INTERCHANGE DIGITAL SWITCH 256 x 256
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

IDT72V70190 Datasheet(HTML) 7 Page - Integrated Device Technology

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COMMERCIALTEMPERATURERANGE
IDT72V70190 3.3V TIME SLOT INTERCHANGE
DIGITAL SWITCH 256 x 256
TABLE 2 — CONSTANT THROUGHPUT
DELAY VALUE
TABLE 3 — INTERNAL REGISTER AND ADDRESS MEMORY MAPPING
TABLE 1 — VARIABLE THROUGHPUT
DELAY VALUE
NOTE:
1. Bit A7 must be high for access to data and connection memory positions. Bit A7 must be low for access to registers.
TABLE 4 — OUTPUT HIGH IMPEDANCE CONTROL
Delay for Variable Throughput Delay Mode
Input Rate
(m – output channel number)
(n – input channel number)
m < n
m = n, n+1, n+2
m > n+2
2.048 Mb/s 32 – (n-m) time-slots m-n + 32 time-slots
m-ntime-slots
Delay for Constant Throughput Delay Mode
Input Rate
(m – output channel number)
(n – input channel number)
2.048 Mb/s
32 + (32 – n) + m time-slots
A7(1)
A6
A5
A4
A3
A2
A1
A0
Location
0
000
0000
Control Register, CR
0
000
0001
Interface Mode Selection Register, IMS
0
000
0010
Frame Alignment Register, FAR
0
000
0011
Frame Input Offset Register 0, FOR0
0
000
0100
Frame Input Offset Register 1, FOR1
1
000
0000
Ch0
1
000
0001
Ch1
1
0
0
.
....
.
1
001
1110
Ch30
1
001
1111
Ch31
OE bit in Connection
ODE pin
OSB bit in IMS
TX Output Driver
Memory
Register
Status
0
Don’t Care
Don’t Care
Per Channel
High-Impedance
1
0
0
High-Impedance
1
0
1
Enable
1
1
1
Enable
1
1
0
Enable


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