參數(shù)資料
型號(hào): MH89770S
廠商: Mitel Networks Corporation
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁數(shù): 30/36頁
文件大?。?/td> 836K
代理商: MH89770S
4-154
MH89770
Preliminary Information
Timing is over recommended temperature & power supply voltage ranges.
Typical figures are at 25
°
C and are for design aid only; not guaranteed and not subject to production testing.
AC Electrical Characteristics
- XCTL, XSt, & E8Ko (Figure 23, 24, & 25)
Parameters
Sym
Min
Typ
Max
Units
Test Conditions
1
External Control Delay
t
XCD
t
XSS
t
XSH
t
8OD
t
8OL
t
8OH
t
8R
t
8F
140
ns
2
External Status Setup Time
100
ns
3
External Status Hold Time
400
ns
4
8 kHz Output Delay
150
ns
5
8 kHz Output Low Width
78
μ
s
6
8 kHz Output High Width
47
μ
s
7
8 kHz Rise Time
10
ns
8
8 kHz Fall Time
10
ns
Figure 23 - XCTL Timing
ST-BUS Bit Cell Boundary Between
Bit 0 Channel 15 and Bit 7 and Channel 16
C2i
XCtl
2.0V
0.8V
t
XCD
2.4V
0.4V
Figure 24 - XST Timing
ST-BUS Bit Cell Boundary Between
Bit 2 Channel 30 and Bit 1 Channel 30
C2i
XSt
2.0V
0.8V
2.0V
0.8V
t
XSH
t
XSS
Figure 25 - E8Ko Timing
Received
DS1 Bits
E1.5o
E8Ko
V
OH
V
OL
V
OH
V
OL
Channel 2
Bit 1
Channel 17
Bit 2
Channel 2
Bit 1
t
8OD
t
8OD
t
8OD
t
8F
t
8OL
t
8R
t
8OH
t
8F
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