DS26503

更新时间： 2024-11-25 22:40:35

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
128页	1175K
描述
T1/E1/J1/64KCC BITS Element

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DS26503 数据手册

DS26504

T1/E1/J1/64KCC BITS Element

www.maxim-ic.com

Cꢀ Transmit and Receive T1 BOC SSM Messages

with Receive Message Change of State and

Validation Indication

GENERAL DESCRIPTION

The DS26504 is a building-integrated timing-supply

(BITS) clock-recovery element. It also functions as a

basic T1/E1 transceiver. The receiver portion can

recover a clock from T1, E1, 64kHz composite clock

(64KCC), and 6312kHz synchronization timing

interfaces. In T1 and E1 modes, the Synchronization

Status Message (SSM) can also be recovered. The

transmit portion can directly interface to T1, E1, or

64KCC synchronization interfaces as well as source

the SSM in T1 and E1 modes. The DS26504 can

translate between any of the supported inbound

synchronization clock rates to any supported

outbound rate. The DS26504 can also accept an 8kHz

as well as a 19.44MHz reference clock. A separate

output is provided to source a 6312kHz clock. The

device is controlled through a parallel, serial, or

hardware controller port.

Cꢀ Transmit and Receive E1 Sa(n) Bit SSM

Messages with Receive Message Change of State

Indication

Cꢀ Crystal-Less Jitter Attenuator with Bypass Mode

for T1 and E1 Operation

Cꢀ Fully Independent Transmit and Receive

Functionality

Cꢀ Internal Software-Selectable Receive and

Transmit Side Termination for

75Ω/100Ω/110Ω/120Ω/133Ω

Cꢀ Monitor Mode for Bridging Applications

Cꢀ Accepts 16.384MHz, 12.8MHz, 8.192MHz,

4.096MHz, 2.048MHz, or 1.544MHz Master

Clock

Cꢀ 64kHz, 8kHz, and 400Hz Outputs in Composite

Clock Mode

Cꢀ 8-Bit Parallel Control Port, Multiplexed or

Nonmultiplexed, Intel or Motorola

Cꢀ Serial (SPI) Control Port and Hardware Control

Mode

APPLICATIONS

BITS Timing

Rate Conversion

Cꢀ Provides LOS, AIS, and LOF Indications through

Hardware Output Pins

FEATURES

Cꢀ Fast Transmitter Output Disable through Device

Pin for Protection Switching

Cꢀ Accepts 8kHz and 19.44MHz References in

Addition to T1, E1, and 64kHz Composite Clock

Cꢀ GR378 Composite Clock Compliant

Cꢀ G.703 2048kHz Synchronization Interface

Compliant

Cꢀ IEEE 1149.1 JTAG Boundary Scan

Cꢀ 3.3V Supply with 5V Tolerant Inputs and

Outputs

Cꢀ Pin and Software Compatible with the DS26502

and DS26503

Cꢀ G.703 64kHz Option A & B Centralized Clock

Synchronization Interface Compliant

Cꢀ G.703 64kHz Japanese Composite Clock

Synchronization Interface Compliant

Cꢀ G.703 6312kHz Japanese Synchronization

Interface Compliant

ORDERING INFORMATION

PART

TEMP RANGE PIN-PACKAGE

Cꢀ Interfaces to Standard T1/J1 (1.544MHz) and E1

(2.048MHz)

DS26504L

0°C to +70°C

64 LQFP

Cꢀ Interface to CMI-Coded T1/J1 and E1

Cꢀ T1/E1 Transmit Payload Clock Output

Cꢀ Short- and Long-Haul Line Interface

DS26504LN -40°C to +85°C 64 LQFP

Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device

may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.

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REV: 070105

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与DS26503相关器件

型号	品牌	获取价格	描述	数据表
DS26503_07	MAXIM	获取价格	T1/E1/J1 BITS Element
DS26503L	DALLAS	获取价格	T1/E1/J1 BITS Element
DS26503L	MAXIM	获取价格	T1/E1/J1 BITS Element
DS26503L+	MAXIM	获取价格	Framer, PQFP64, 10 X 10 MM, 1.40 MM HEIGHT, LQFP-64
DS26503LN	DALLAS	获取价格	T1/E1/J1 BITS Element
DS26503LN	MAXIM	获取价格	T1/E1/J1 BITS Element
DS26503LN+	MAXIM	获取价格	Framer, PQFP64, 10 X 10 MM, 1.40 MM HEIGHT, LQFP-64
DS26504	MAXIM	获取价格	T1/E1/J1/64KCC BITS Element
DS26504_06	MAXIM	获取价格	T1/E1/J1/64KCC BITS Element
DS26504L	MAXIM	获取价格	T1/E1/J1/64KCC BITS Element

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