參數(shù)資料
型號: IDT7290820PQFG
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 27/27頁
文件大?。?/td> 0K
描述: IC DGTL SW 2048X2048 100-PQFP
標(biāo)準(zhǔn)包裝: 33
系列: 7200
類型: 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: 帶卷 (TR)
其它名稱: 7290820PQFG
9
COMMERCIALTEMPERATURERANGE
IDT7290820 5V TIME SLOT INTERCHANGE
DIGITAL SWITCH 2,048 x 2,048
Connection Memory
Data Memory
1
0
Control Register
CRb7
5713 drw06
10000000
The Control Register is only accessed when A7-A0 are all
zeroed. When A7 =1, up to 128 bytes are randomly accessa-
ble via A0-A6 at any one instant. Of which stream these
bytes (channels) are accessed is determined by the state of
CRb3 -CRb0.
CRb6CRb5CRb4CRb2CRb1CRb0
CRb4
000
0
001
1
010
2
011
3
100
4
101
5
110
6
111
7
Stream
CRb2CRb1CRb0
0
CRb3
8
9
10
11
12
13
14
15
000
001
010
011
100
101
110
111
1
Channel 127
Channel 0
Channel 1
Channel 2
Channel 0
Channel 1
Channel 2
Channel 0
Channel 1
Channel 2
Channel 0
Channel 1
Channel 2
Channel 0
Channel 1
Channel 2
Channel 0
Channel 1
Channel 2
Channel 0
Channel 1
Channel 2
Channel 0
Channel 1
Channel 2
Channel 0
Channel 1
Channel 2
Channel 0
Channel 1
Channel 2
Channel 0
Channel 1
Channel 2
Channel 0
Channel 1
Channel 2
Channel 0
Channel 1
Channel 2
Channel 0
Channel 1
Channel 2
Channel 0
Channel 1
Channel 2
Channel 0
Channel 1
Channel 2
10000001
10000010
11111111
External Address Bits
A7-A0
Figure 3. Addressing Internal Memories
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