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DS2181A Datasheet, PDF (1/32 Pages) Dallas Semiconductor – CEPT Primary Rate Transceiver
DS2181A
CEPT Primary Rate Transceiver
www.dalsemi.com
FEATURES
Single chip primary rate transceiver meets
CCITT standards G.704, G.706 and G.732
Supports new CRC4-based framing
standards and CAS and CCS signaling
standards
Simple serial interface used for device
configuration and control in processor mode
Hardware mode requires no host processor;
intended for stand-alone applications
Comprehensive, on-chip alarm generation,
alarm detection, and error logging logic
Shares footprint with DS2180A T1
Transceiver
Comparison to DS2175 T1/CEPT Elastic
Store, DS2186 Transmit Line Interface,
DS2187 Receive Line Interface, and DS2188
Jitter Attenuator
PIN ASSIGNMENT
TMSYNC
1
TFSYNC
2
TCLK
3
TCHCLK
4
TSER
5
TMO
6
TXD
7
TSTS
8
TSD
9
TIND
10
TAF
11
TPOS
12
TNEG
13
INT
14
SDI
15
SDO
16
CS
17
SCLK
18
SPS
19
VSS
20
40
VDD
39
RLOS
38
RFER
37
RBV
36
RCL
35
RNEG
34
RPOS
33
RST
32
TEST
31
RCSYNC
30
RSTS
29
RSD
28
RMSYNC
27
RFSYNC
26
RSER
25
RCHCLK
24
RCLK
23
RAF
22
RDMA
21
RRA
40-Pin DIP (600-mil)
5V supply; low-power CMOS technology
TSER
7
TMO
8
TXD
9
TSTS
10
TSD
11
TIND
12
TAF
13
TPOS
14
TNEG
15
INT
16
SDI
17
39
RNEG
38
RPOS
37
RST
36
TEST
44-PIN PLCC
35
34
RCSYNC
RSTS
33
RSD
32
RMSYNC
31
RFSYNC
30
RSER
29
RCHCLK
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