參數(shù)資料
型號(hào)： DS21Q44T
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(yè)數(shù)： 7/105頁(yè)
文件大?。?/td> 620K
代理商： DS21Q44T
DS21Q44
7 of 105
2. DS21Q44 PIN DESCRIPTION
Pin Description Sorted by Pin Number
Table 2-1
PIN
1
2
3
4
5
6
7
8
9
SYMBOL
TCHBLK0
TPOS0
TNEG0
RLINK0
RLCLK0
RCLK0
RNEG0
RPOS0
RSIG0
[RCHCLK0]
RCHBLK0
RSYSCLK0
RSYNC0
RSER0
VSS
VDD
SPARE1
[RMSYNC0]
RFSYNC0
JTRST*
[RLOS/LOTC0]
TCLK0
TLCLK0
TSYNC0
TLINK0
A0
A1
A2
A3
A4
A5
A6/ALE (AS)
TYPE
O
O
O
O
O
I
I
I
O
[O]
O
I
I/O
O
-
-
-
[O]
O
I
[O]
I
O
I/O
I
I
I
I
I
I
I
I
DESCRIPTION
Transmit Channel Block from Framer 0
Transmit Bipolar Data from Framer 0
Transmit Bipolar Data from Framer 0
Receive Link Data from Framer 0
Receive Link Clock from Framer 0
Receive Clock for Framer 0
Receive Bipolar Data for Framer 0
Receive Bipolar Data for Framer 0
Receive Signaling Output from Framer 0
[Receive Channel Clock from Framer 0]
Receive Channel Block from Framer 0
Receive System Clock for Elastic Store in Framer 0
Receive Sync for Framer 0
Receive Serial Data from Framer 0
Signal Ground
Positive Supply Voltage
RESERVED - must be left unconnected for normal operation
[Receive Multiframe Sync from Framer 0]
Receive Frame Sync from Framer 0
JTAG Reset
[Receive Loss of Sync/Loss of Transmit clock from Framer 0]
Transmit Clock for Framer 0
Transmit Link Clock from Framer 0
Transmit Sync for Framer 0
Transmit Link Data for Framer 0
Address Bus Bit 0; LSB
Address Bus Bit 1
Address Bus Bit 2
Address Bus Bit 3
Address Bus Bit 4
Address Bus Bit 5
Address Bus Bit 6; MSB or Address Latch Enable (Address
Strobe)
Receive Alarm Interrupt for all Four Framers
Transmit System Clock for Elastic Store in Framer 1
Transmit Serial Data for Framer 1
Transmit Sync for Elastic Store in Framer 1
Transmit Signaling Input for Framer 1
[Transmit Channel Clock from Framer 1]
Transmit Channel Block from Framer 1
Transmit Bipolar Data from Framer 1
Transmit Bipolar Data from Framer 1
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
INT*
O
I
I
I
I
[O]
O
O
O
TSYSCLK1
TSER1
TSSYNC1
TSIG1
[TCHCLK1]
TCHBLK1
TPOS1
TNEG1
35
36
37
相關(guān)PDF資料
PDF描述
DS21Q44TN MICROSWITCH, SPDT, SIM ROLLER LEVER; Current, contact AC:5A; Force, operating:91.75gf; Travel, pre:16.0mm; Centres, fixing LxW:22.2mm; Temp, op. max:120(degree C); Temp, op. min:-40(degree C); Length / Height, external:9.25mm; Width, RoHS Compliant: Yes
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DS2251T-32-16 128k Soft Microcontroller Module
DS2251T-64-16 CONNECTOR ACCESSORY
DS2251 128k Soft Microcontroller Module
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS21Q44T+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Enhanced Quad E1 Framer RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21Q44TN 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21Q48 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 5V Quad E1/T1/J1 Line Interface RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21Q48A3N 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 5V Quad E1/T1/J1 Line Interface RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21Q48B 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
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