MC10E445

更新时间： 2024-11-17 22:58:07

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
8页	104K
描述
4-BIT SERIAL/ PARALLEL CONVERTER

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数据手册

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MC10E445 数据手册

SEMICONDUCTOR TECHNICAL DATA

The MC10/100E445 is an integrated 4-bit serial to parallel data

converter. The device is designed to operate for NRZ data rates of up to

2.0Gb/s. The chip generates a divide by 4 and a divide by 8 clock for both

4-bit conversion and a two chip 8-bit conversion function. The conversion

sequence was chosen to convert the first serial bit to Q0, the second to

Q1 etc.

• On-Chip Clock ÷4 and ÷8

4-BIT SERIAL/

PARALLEL CONVERTER

• 2.0Gb/s Data Rate Capability

• Differential Clock and Serial Inputs

• V

Output for Single-Ended Input Applications

• Asynchronous Data Synchronization

• Mode Select to Expand to 8-Bits

• Internal 75kΩ Input Pulldown Resistors

• Extended 100E V

Range of –4.2V to –5.46V

Two selectable serial inputs provide a loopback capability for testing

purposes when the device is used in conjunction with the E446 parallel to

serial converter.

The start bit for conversion can be moved using the SYNC input. A

single pulse applied asynchronously for at least two input clock cycles

shifts the start bit for conversion from Qn to Qn–1. For each additional

shift required an additional pulse must be applied to the SYNC input.

Asserting the SYNC input will force the internal clock dividers to “swallow”

a clock pulse, effectively shifting a bit from the Qn to the Qn–1 output (see

Timing Diagram B).

FN SUFFIX

PLASTIC PACKAGE

CASE 776-02

The MODE input is used to select the conversion mode of the device. With the MODE input LOW, or open, the device will

function as a 4-bit converter. When the mode input is driven HIGH the data on the output will change on every eighth clock cycle

thus allowing for an 8-bit conversion scheme using two E445’s. When cascaded in an 8-bit conversion scheme the devices will

not operate at the 2.0Gb/s data rate of a single device. Refer to the applications section of this data sheet for more information on

cascading the E445.

For lower data rate applications a V

reference voltage is supplied for single-ended inputs. When operating at clock rates

above 500MHz differential input signals are recommended. For single-ended inputs the V

pin is tied to the inverting differential

provides the switching reference for the input differential amplifier. The V

input and bypassed via a 0.01µF capacitor. The V

can also be used to AC couple an input signal, for more information on AC coupling refer to the interfacing section of the design

guide in the ECLinPS data book.

Upon power-up the internal flip-flops will attain a random state. To synchronize multiple E445’s in a system the master reset

must be asserted.

PIN NAMES

SINA SINA

25 24

MODE NC

21 20

CCO

Function

SINB

SEL

SOUT

SINA, SINA

SINB, SINB

SEL

Differential Serial Data Input A

Differential Serial Data Input B

Serial Input Selector Pin

Q0–Q3

Parallel Data Outputs

CLK, CLK

CL/4, CL/4

CL/8, CL/8

MODE

Differential Clock Inputs

Figure 1. 28–Lead Pinout

Differential ÷4 Clock Output

Differential ÷8 Clock Output

Conversion Mode 4-Bit/8-Bit

Conversion Synchronizing Input

(Top View)

CLK

SYNCH

CCO

FUNCTION TABLES

Mode

Conversion

SEL

Serial Input

4-Bit

8-Bit

CL/8 CL/8 V

CL/4 CL/4 V

CCO

8/97

Motorola, Inc. 1997

REV 3

12 3 4 5 6 7 8

中文翻译

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与MC10E445相关器件

型号	品牌	获取价格	描述	数据表
MC10E445_06	ONSEMI	获取价格	5V ECL 4-Bit Serial/Parallel Converter
MC10E445FN	ONSEMI	获取价格	5V ECL 4-Bit Serial/Parallel Converter
MC10E445FN	MOTOROLA	获取价格	4-BIT SERIAL/ PARALLEL CONVERTER
MC10E445FNG	ONSEMI	获取价格	5V ECL 4-Bit Serial/Parallel Converter
MC10E445FNR2	ONSEMI	获取价格	5V ECL 4-Bit Serial/Parallel Converter
MC10E445FNR2G	ONSEMI	获取价格	5V ECL 4-Bit Serial/Parallel Converter
MC10E446	ONSEMI	获取价格	4-BIT PARALLEL/ SERIAL CONVERTER
MC10E446_06	ONSEMI	获取价格	5V ECL 4-Bit Parallel/Serial Converter
MC10E446FN	MOTOROLA	获取价格	4-BIT PARALLEL/ SERIAL CONVERTER
MC10E446FN	ROCHESTER	获取价格	10E SERIES, 4-BIT RIGHT PARALLEL IN SERIAL OUT SHIFT REGISTER, COMPLEMENTARY OUTPUT, PQCC2

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