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參數(shù)資料
| 型號： | MT8981DC |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | ISO-CMOS ST-BUS⑩ FAMILY Digital Switch |
| 中文描述： | 異意法半導(dǎo)體的CMOS總線⑩家庭數(shù)字開關(guān) |
| 文件頁數(shù)： | 2/17頁 |
| 文件大小： | 561K |
| 代理商： | MT8981DC |
MT8981D
ISO-CMOS
2-18
Figure 2 - Pin Connections
Pin Description
Pin #
Name
Description
40
DIP
44
PLCC
1
2
DTA
Data Acknowledgement (Open Drain Output).
microprocessor interface. This pin is pulled low to signal that the chip has processed the
data. A 909
, 1/4W, resistor is recommended to be used as a pullup.
This is the data acknowledgement on the
2-4
3-5
STi0-
STi2
ST-BUS Input 0 to 2 (Inputs).
streams.
These are the inputs for the 2048 kbit/s ST-BUS input
5
7
STi3
ST-BUS Input 3 (Input).
These are the inputs for the 2048 kbit/s ST-BUS input streams.
6-9
8-11
IC
Internal Connections.
Must be connected to V
DD
.
10
12
V
DD
Power Input.
Positive Supply.
11
13
F0i
Framing 0-Type (Input).
2048 kbit/s ST-BUS streams. A low on this input causes the internal counter to reset on
the next negative transition of C4i.
This is the input for the frame synchronization pulse for the
12
14
C4i
4.096 MHz Clock (Input).
clock.
ST-BUS bit cell boundaries lie on the alternate falling edges of this
13-
15
15-
17
A0-A2
Address 0 to 2 (Inputs).
interface.
These are the inputs for the address lines on the microprocessor
16-
18
19-
21
A3-A5
Address 3 to 5 (Inputs).
interface
These are the inputs for the address lines on the microprocessor
19
22
DS
Data Strobe (Input).
interface.
This is the input for the active high data strobe on the microprocessor
20
23
R/W
Read or Write (Input).
interface - high for read, low for write.
This is the input for the read/write signal on the microprocessor
21
24
CS
Chip Select (Input).
interface.
This is the input for the active low chip select on the microprocessor
1
6
5
4
3
2
4
4
4
4
4
39
38
37
36
35
34
33
32
31
30
29
7
8
9
10
11
12
13
14
15
16
17
2
1
1
2
2
2
2
2
2
2
2
STi3
IC
IC
IC
IC
VDD
F0i
C4i
A0
A1
A2
STo3
IC
IC
IC
IC
VSS
D0
D1
D2
D3
D4
N
S
D
O
S
N
N
A
D
C
D
N
A
A
R
D
D
44 PIN PLCC
DTA
STi0
STi1
STi2
STi3
IC
IC
IC
IC
VDD
F0i
C4i
A0
A1
A2
A3
A4
A5
DS
R/W
IC
ODE
STo0
STo1
STo2
STo3
IC
IC
IC
IC
VSS
D0
D1
D2
D3
D4
D5
D6
D7
CS
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
40 PIN PLASTIC DIP
S
S
I
S
S
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT8981DL | ISO-CMOS ST-BUS⑩ FAMILY Digital Switch |
| MT8985AL1 | Enhanced Digital Switch |
| MT8985AE | RULER, FOLDING, PLASTIC, 2M; Colour:Yellow; Graduation:1mm; Length:2000mm; Material:Glass fibre reinforced polyamide; Width:15mm; Width, external:15mm RoHS Compliant: NA |
| MT8985AE1 | Enhanced Digital Switch |
| MT8985AL | Enhanced Digital Switch |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT8981DE | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Digital Switch |
| MT8981DE1 | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 128 X 128 5V 40PDIP - Rail/Tube 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TDM/TSI SWITCH 128X128 40PDIP 制造商:Microsemi Corporation 功能描述:IC TDM/TSI SWITCH 128X128 40PDIP |
| MT8981DL | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO-CMOS ST-BUS⑩ FAMILY Digital Switch |
| MT8981DP | 制造商:Microsemi Corporation 功能描述: |
| MT8981DP1 | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 128 X 128 5V 44PLCC - Rail/Tube 制造商:Microsemi Corporation 功能描述:PB FREE DIGITAL SWITCH 制造商:Zarlink Semiconductor Inc 功能描述:PB FREE DIGITAL SWITCH |
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