參數(shù)資料
型號： MT8979
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)： 22/26頁
文件大?。?/td> 340K
代理商： MT8979
MT8979
ISO-CMOS
4-182
Characteristics are for clocked operation over the ranges of recommended operating temperature and supply voltage.
Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
AC Electrical Characteristics
- XCtl, XS and E8Ko (Figures 22, 23 and 24)
Characteristics
Sym
Min
Typ
Max
Units
Test Conditions
1
External Control Delay
t
XCD
100
ns
50 pF load
2
External Status Setup Time
t
XSS
50
ns
3
External Status Hold Time
t
XSH
50
ns
4
E8Ko Output Delay
t
8OD
150
ns
50 pF load
5
E8Ko Output Low Width
t
8OL
62.5
μ
s
50 pF load
6
E8Ko Output High Width
t
8OH
62.5
μ
s
50 pF load
7
E8Ko Output Transition Time
t
8OT
20
ns
50 pF load
Figure 22 - XCtl Timing
F0i
XCtl
t
XCD
V
IH
V
IL
V
OH
V
OL
Figure 23 - XS Timing
ST-BUS Bit Cell Boundary Between
Bit 3 Channel 17 and Bit 2 Channel 17
t
XSS
t
XSH
C2i
XS
V
IH
V
IL
V
IH
V
IL
Figure 24 - E8Ko Timing
Timeslot 0
Bit 4
Timeslot 16
Bit 4
Timeslot 0
Bit 4
Received
CEPT Bits
E2i
V
IH
V
IL
E8Ko
V
OH
V
OL
t
8OD
t
8OT
t
8OD
t
8OD
t
8OL
t
8OH
t
8OT
t
8OT
相關(guān)PDF資料
PDF描述
MT8979AE Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
MT8979AP Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
MT8979AC Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
MT8980D Digital Switch(數(shù)字開關(guān)（在微處理器控制下，轉(zhuǎn)換PCM編碼控制的話音或數(shù)據(jù)）)
MT8980 ISO-CMOS ST-BUS⑩ FAMILY Digital Switch
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MT8979AC 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO-CMOS ST-BUS⑩ FAMILY CEPT PCM 30/CRC-4 Framer & Interface
MT8979AE 制造商:Microsemi Corporation 功能描述: 制造商:Zarlink Semiconductor Inc 功能描述:
MT8979AE1 制造商:Microsemi Corporation 功能描述:FRAMER CRC-4/PCM 30 5V 28PDIP - Rail/Tube 制造商:Zarlink Semiconductor Inc 功能描述:FRAMER CRC-4/PCM 30 5V 28PDIP - Rail/Tube
MT8979AP 制造商:MITEL 功能描述:
MT8979AP1 制造商:Microsemi Corporation 功能描述:FRAMER CRC-4/PCM 30 5V 44PLCC - Rail/Tube 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC FRAMER/INTERFACE CEPT 44PLCC 制造商:Microsemi Corporation 功能描述:IC FRAMER/INTERFACE CEPT 44PLCC
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