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SY100E446 데이터시트 PDF




Micrel Semiconductor에서 제조한 전자 부품 SY100E446은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 SY100E446 기능
기능 4-BIT PARALLEL-TO-SERIAL CONVERTER
제조업체 Micrel Semiconductor
로고 Micrel Semiconductor 로고


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SY100E446 데이터시트, 핀배열, 회로
4-BIT PARALLEL-TO-SERIAL
CONVERTER
SY10E446
SY100E446
FEATURES
s On-chip clock ÷4 and ÷8
s Extended 100E VEE range of –4.2V to –5.5V
s 1.6Gb/s typical 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 75Kinput pulldown resistors
s Fully compatible with Motorola MC10E/100E446
s Available in 28-pin PLCC package
PIN CONFIGURATION
CLK
CLK
VBB
VEE
SIN
SIN
SYNC
25 24 23 22 21 20 19
26 18
27 17
28
TOP VIEW
16
1
PLCC
15
2
J28-1
14
3 13
4 12
5 6 7 8 9 10 11
NC
NC
VCC
SOUT
SOUT
VCCO
NC
DESCRIPTION
The SY10/100E446 are integrated 4-bit parallel-to-
serial data converters. These devices are designed to
operate for NRZ data rates of up to a minimum of 1.3Gb/
s. The chips generate 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 parallel data into a serial stream
from bit D0 to D3. A serial input is provided to cascade
two E446 devices for 8-bit conversion applications.
The SYNC input will asynchronously reset the internal
clock circuitry. This pin allows the user to reset the internal
clock conversion unit and, thus, select the start of the
conversion process.
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 internal load clock will change
on every eighth clock cycle, thus allowing for an 8-bit
conversion scheme using two E446s. When cascaded in
an 8-bit conversion scheme, the devices will not operate
at the 1.3Gb/s data rate of a single device. Refer to the
applications section of this data sheet for more information
on cascading the E446.
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 0.01µF capacitor. The VBB provides the
switching reference for the input differential amplifier. The
VBB can also be used to AC couple an input signal.
PIN NAMES
Pin
SIN, SIN
D0 – D3
SOUT, SOUT
CLK, CLK
CL/4, CL/4
CL/8, CL/8
MODE
SYNC
VCCO
Function
Differential Serial Data Input
Parallel Data Input
Differential Serial Data Output
Differential Clock Input
Differential 4 Clock Output
Differential 8 Clock Output
Conversion Mode, 4-bit/8-bit
Conversion Synchronizing Input
VCC to Output
Rev.: C
Amendment: /1
1 Issue Date: February, 1998




SY100E446 pdf, 반도체, 판매, 대치품
Micrel
TIMING DIAGRAMS
SY10E446
SY100E446
CLK
RESET
D0
D1
D2
D3
SOUT
CL/4
CL/8
D01
D02
D11
D12
D21
D31
D22
D32
D01 D11 D21 D31 D02 D12 D22 D32
Timing Diagram A. 4:1 Parallel-to-Serial Conversion
4

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SY100E446 전자부품, 판매, 대치품
Micrel
APPLICATIONS INFORMATION
CLK
CLK
E446B
SOUT
SOUT
E446A
SIN SOUT
SIN SOUT
D3 D2 D1 D0
D3 D2 D1 D0
D7 D6 D5 D4
D3 D2 D1 D0
PARALLEL DATA
1.3GHz
770ps
CLKB
CLKA
SERIAL
DATA
tPD
CLK to SOUT
Figure 2. Extended Frequency 8:1 Converter Architecture
SY10E446
SY100E446
PRODUCT ORDERING CODE
Ordering
Code
SY10E446JC
SY10E446JCTR
SY100E446JC
SY100E446JCTR
Package
Type
J28-1
J28-1
J28-1
J28-1
Operating
Range
Commercial
Commercial
Commercial
Commercial
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관련 데이터시트

부품번호상세설명 및 기능제조사
SY100E445

4-BIT SERIAL-to-PARALLEL CONVERTER

Micrel Semiconductor
Micrel Semiconductor
SY100E446

4-BIT PARALLEL-TO-SERIAL CONVERTER

Micrel Semiconductor
Micrel Semiconductor

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