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DS2186 Datasheet

  • DS2186

  • Transmit Line Interface

  • 11頁

  • DALLAS   DALLAS

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DS2186
DS2186
Transmit Line Interface
FEATURES
PIN ASSIGNMENT
TAIS
ZCSEN
TCLKSEL
LEN0
LEN1
LEN2
V
DD
TTIP
TRING
V
SS
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
LCLK
LPOS
LNEG
TCLK
TPOS
TNEG
LB
MTIP
MRING
LF
鈥?/div>
Line interface for T1 (1.544 MHz) and CEPT (2.048
MHz) primary rate networks
鈥?/div>
On鈥揷hip transmit LBO (line build out) and line drivers
eliminate external components
鈥?/div>
Programmable output
pulse shape supports short鈥?/div>
and long鈥搇oop applications
鈥?/div>
Supports bipolar and unipolar input data formats
鈥?/div>
Transparent B8ZS and HDB3 zero code suppression
modes
鈥?/div>
Compatible with DS2180A T1 and DS2181A CEPT
Transceivers DS2141A T1 and DS2143 E1 Control-
lers
20鈥揚(yáng)IN DIP (300 MIL)
鈥?/div>
Companion
to the DS2187 Receive Line Interface
and DS2188 T1/CEPT Jitter Attenuator
TAIS
ZCSEN
TCLKSEL
LEN0
LEN1
LEN2
VDD
TTIP
TRING
VSS
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
LCLK
LPOS
LNEG
TCLK
TPOS
TNEG
LB
MTIP
MRING
LF
鈥?/div>
Single 5V supply; low鈥損ower CMOS technology
20鈥揚(yáng)IN SOIC (300 Mil)
DESCRIPTION
The DS2186 T1/CEPT Transmit Line Interface Chip in-
terfaces user equipment to North American (T1鈥?.544
MHz) and European (CEPT鈥?.048 MHz) primary rate
communications networks. The device is compatible
with all types of twisted pair and coax cable found in
such networks.
Key on鈥揷hip components include: programmable wave
shaping circuitry, line drivers, remote loopback, and
zero suppression logic. A line鈥揷oupling transformer is
the only external component required.
Short loop (DSX鈥?, 0 to 655 feet) and long loop (CSU; 0
dB, 鈥?.5 dB and 鈥?5 dB) pulse templates found in T1
applications are supported. Appropriate CCITT recom-
mendations are met in the CEPT mode.
Application areas include DACS, CSU, CPE, channel
banks, and PABX鈥搕o鈥揷omputer interfaces such as DMI
and CPI. The DS2186 supports ISDN鈥揚(yáng)RI (Primary
Rate Interface) specifications.
022798 1/11

DS2186 產(chǎn)品屬性

  • 18

  • 集成電路 (IC)

  • 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器

  • -

  • 線路驅(qū)動(dòng)器，發(fā)射器

  • 1/0

  • T1/CEPT

  • 4.75 V ~ 5.25 V

  • 通孔

  • 20-DIP（0.300"，7.62mm）

  • 20-PDIP

  • 管件

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