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DS2143Q Datasheet

  • DS2143Q

  • E1/ISDN-PRI framing transceiver

  • 552.20KB

  • 44頁

  • DALLAS   DALLAS

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DS2143/DS2143Q
E1 Controller
www.dalsemi.com
FEATURES
E1/ISDN-PRI framing transceiver
Frames to CAS, CCS, and CRC4 formats
Parallel control port
Onboard two frame elastic store slip buffer
Extracts and inserts CAS signaling bits
Programmable output clocks for fractional E1
links, DS0 loopbacks, and drop and insert
applications
Onboard Sa data link support circuitry
FEBE E-Bit detection, counting and
generation
Pin-compatible with DS2141A T1 Controller
5V supply; low power (50 mW) CMOS
Available in 40-pin DIP and 44-pin PLCC
(DS2143Q)
PIN ASSIGNMENT
TCLK
TSER
TCHCLK
TPOS
TNEG
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
BTS
RD(DS)
CS
ALE(AS)
WR(R/W)
RLINK
VSS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
VDD
TSYNC
TLINK
TLCLK
INT1
INT2
RLOS/LOTC
TCHBLK
RCHBLK
LI_CS
LI_CLK
LI_SDI
SYSCLK
RNEG
RPOS
RSYNC
RSER
RCHCLK
RCLK
RLCLK
40-Pin DIP (600-mil)
TNEG
TPOS
TCHCLK
TSER
TCLK
VDD
TSYNC
TLINK
TLCLK
INT1
INT2
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
BTS
RD(DS)
NC
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
5
4
3
2
1
44
43
42
41 40
39
38
37
36
35
44-PIN PLCC
34
33
32
31
30
29
28
RLOS/LOTC
TCHBLK
RCHBLK
LI_CS
LI_CLK
LI_SDI
NC
NC
SYSCLK
RNEG
RPOS
DESCRIPTION
The DS2143 is a comprehensive, software-driven E1 framer. It is meant to act as a slave or coprocessor to
a microcontroller or microprocessor. Quick access via the parallel control port allows a single micro to
handle many E1 lines. The DS2143 is very flexible and can be configured into numerous orientations via
software. The software orientation of the device allows the user to modify their design to conform to
future E1 specification changes. The controller contains a set of 69 8-bit internal registers which the user
1 of 44
112099
NC
CS
ALE(AS)
WR(R/W)
RLINK
VSS
RLCLK
RCLK
RCHCLK
RSER
RSYNC

DS2143Q 產(chǎn)品屬性

  • Lead (SnPb) Finish for COTSObsolescence Mitigation Program

  • 26

  • 集成電路 (IC)

  • 接口 - 控制器

  • -

  • E1 控制器

  • 并行/串行

  • 4.5 V ~ 5.5 V

  • 10mA

  • 0°C ~ 70°C

  • 表面貼裝

  • 44-LCC（J 形引線）

  • 44-PLCC（16.59x16.59）

  • 管件

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