參數(shù)資料
型號(hào): IDT7290820PQF
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 8/27頁(yè)
文件大小: 0K
描述: IC DGTL SW 2048X2048 100-PQFP
標(biāo)準(zhǔn)包裝: 33
系列: 7200
類(lèi)型: 多路復(fù)用器
電路: 1 x 16:16
獨(dú)立電路: 1
電壓電源: 單電源
電源電壓: 4.75 V ~ 5.25 V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 100-BQFP
供應(yīng)商設(shè)備封裝: 100-PQFP(14x20)
包裝: 托盤(pán)
其它名稱: 7290820PQF
16
COMMERCIALTEMPERATURERANGE
IDT7290820 5V TIME SLOT INTERCHANGE
DIGITAL SWITCH 2,048 x 2,048
TABLE 13 CONNECTION MEMORY BITS
TABLE 14 CAB BIT PROGRAMMING .OR DI..ERENT DATA RATES
NOTE:
1. If bit 13 (PC) of the corresponding connection memory location is 1 (device in processor mode), then these entire 8 bits (SAB0, CAB6 - CAB0) are output on the output channel
and stream associated with this location.
Bit
Name
Description
15
LPBK
When 1, the RX n channel m data comes from the TX n channel m. For proper per channel loopback
(Per Channel Loopback)
operations, set the delay offset register bits OFn[2:0] to zero for the streams which are in the loopback mode.
14
V/C
This bit is used to select between the variable (LOW) and constant delay (HIGH) mode on a
(Variable/Constant
per-channel basis.
Throughput Delay)
13
PC
When 1, the contents of the connection memory are output on the corresponding output channel and stream.
(Processor Channel)
Only the lower byte (bit 7 – bit 0) will be output to the TX output pins. When 0, the contents of the connection
memory are the data memory address of the switched input channel and stream.
12
CCO
This bit is output on the CCO pin one channel early. The CCO bit for stream 0 is output first.
(Control Channel Output)
11
OE
This bit enables the TX output drivers on a per-channel basis. When 1, the output driver functions
(Output Enable)
normally. When 0, the output driver is in a high-impedance state.
10-8,7(1) SAB3-0
The binary value is the number of the data stream for the source of the connection.
(Source Stream Address Bits)
6-0(1)
CAB6-0
The binary value is the number of the channel for the source of the connection.
(Source Channel Address Bits)
15
14
13
12
11
10
9876543210
LPBK
V/C
PC
CCO
OE
SAB3
SAB2
SAB1
SAB0
CAB6
CAB5
CAB4
CAB3
CAB2
CAB1
CAB0
Data Rate
CAB Bits Used to Determine the Source Channel of the Connection
2.048 Mb/s
CAB4 to CAB0 (32 channel/input stream)
4.096 Mb/s
CAB5 to CAB0 (64 channel/input stream)
8.192 Mb/s
CAB6 to CAB0 (128 channel/input stream)
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