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參數(shù)資料
| 型號： | SY100E445JC TR |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 0K |
| 描述： | IC CONV 4-BIT SER/PAR 28-PLCC |
| 標(biāo)準(zhǔn)包裝： | 750 |
| 應(yīng)用： | 數(shù)據(jù)傳輸 |
| 接口： | 串行輸入/并行輸出 |
| 封裝/外殼： | 28-LCC（J 形引線） |
| 供應(yīng)商設(shè)備封裝： | 28-PLCC |
| 包裝： | 帶卷 (TR) |
| 安裝類型： | 表面貼裝 |
| 其它名稱： | SY100E445JCTR SY100E445JCTR-ND |
1
SY10E445
SY100E445
Micrel, Inc.
M9999-032206
hbwhelp@micrel.com or (408) 955-1690
Pin
Function
SINA, SINA
Differential Serial Data Input A
SINB, SINB
Differential Serial Data Input B
SEL
Serial Input Select Pin
SOUT, SOUT
Differential Serial Data Output
Q0–Q3
Parallel Data Outputs
CLK, CLK
Differential Clock Inputs
CL/4, CL/4
Differential
÷4 Clock Output
CL/8, CL/8
Differential
÷8 Clock Output
MODE
Conversion Mode 4-bit/8-bit
SYNC
Conversion Synchronizing Input
RESET
Input, Resets the Counters
VCCO
VCC to Output
DESCRIPTION
FEATURES
s On-chip clock
÷4 and ÷8
s Extended 100E VEE range of –4.2V to –5.5V
s 2.5Gb/s data rate capability
s Differential clock and serial inputs
s VBB output for single-ended use
s Asynchronous data synchronization
s Mode select to expand to 8 bits
s Internal 75k
input pull-down resistors
s Fully compatible with Motorola MC10E/100E445
s Available in 28-pin PLCC package
4-BIT SERIAL-to-PARALLEL
CONVERTER
The SY10/100E445 are integrated 4-bit serial-to-parallel
data converters. The devices are designed to operate for
NRZ data rates of up to 2.5Gb/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.
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 by one bit. 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).
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 E445s. When cascaded in an 8-bit
conversion scheme, the devices will not operate at the
2.5Gb/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 VBB 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 VBB pin is tied
to the inverting differential input and bypassed via a 0.01
F
capacitor. The VBB provides the switching reference for the
input differential amplifier. The VBB can also be used to AC
couple an input signal.
SY10E445
SY100E445
PIN NAMES
Rev.: F
Amendment: /0
Issue Date:
March 2006
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SY100E445JZ | 功能描述:串行到并行邏輯轉(zhuǎn)換器 4-bit Serial-to- Parallel Converter (Lead Free) RoHS:否 制造商:Supertex 工作電源電壓: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-32 封裝:Tray |
| SY100E445JZ TR | 功能描述:串行到并行邏輯轉(zhuǎn)換器 4-bit Serial-to- Parallel Converter (Lead Free) RoHS:否 制造商:Supertex 工作電源電壓: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-32 封裝:Tray |
| SY100E445JZTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:4-BIT SERIAL-to-PARALLEL CONVERTER |
| SY100E446 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:4-BIT PARALLEL-TO-SERIAL CONVERTER |
| SY100E446JC | 功能描述:IC CONV 4-BIT SER/PAR 28-PLCC RoHS:否 類別:集成電路 (IC) >> 接口 - 專用 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 應(yīng)用:PDA，便攜式音頻/視頻，智能電話 接口:I²C，2 線串口 電源電壓:1.65 V ~ 3.6 V 封裝/外殼:24-WQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) 安裝類型:表面貼裝 產(chǎn)品目錄頁面:1015 (CN2011-ZH PDF) 其它名稱:296-25223-2 |
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