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參數(shù)資料
| 型號(hào)： | SY89837UMY |
| 廠商： | MICREL INC |
| 元件分類： | 時(shí)鐘及定時(shí) |
| 英文描述： | 89837 SERIES, LOW SKEW CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), QCC32 |
| 封裝： | 5 X 5 MM, MLF-32 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大?。?/td> | 587K |
| 代理商： | SY89837UMY |
3
Precision Edge
SY89837U
Micrel, Inc.
M9999-121605
hbwhelp@micrel.com or (408) 955-1690
PACKAGE/ORDERING INFORMATION
Pin Number
Pin Name
Pin Function
1, 3,
IN0, /IN0,
Differential Inputs: These input pairs are the differential signal inputs to the device. These inputs
6, 8
IN1, /IN1
accept AC- or DC-coupled signals as small as 200mV. Each pin of a pair internally terminates to
a VT pin through 50. Please refer to the “Input Interface Applications” section for more details.
2, 7
VT0, VT1
Input Termination Center-Tap: Each side of the differential input pair terminates to a VT pin. The
VT0 and VT1 pins provide a center-tap to a termination network for maximum interface flexibility.
See the “Input Interface Applications” section for more details.
31
SEL
This single-ended TTL/CMOS-compatible input selects the inputs to the multiplexer. This input
is internally connected to a 25k pull-up resistor and will default to a logic HIGH state if left open.
9, 19, 22, 32
VCC
Positive power supply. Bypass with 0.1F0.01F low ESR capacitors as close to the pins as
possible.
30, 28, 26, 24,
Q0 – Q7,
Differential Outputs: These LVPECL output pairs are the outputs of the device. They are a logic
18, 16, 14, 12,
/Q0 – /Q7
function of the IN0, IN1, and SEL inputs. Please refer to the truth table for details. Unused
29, 27, 25, 23,
output pairs may be left open.
17, 15, 13, 11
20,21
GND,
Ground. Ground and exposed pad to be tied together to most negative potential of chip.
Exposed Pad
10
CAP
Power-On Reset (POR) Initialization Capacitor. When using the multiplexer with RPE capability,
this pin is tied to a capacitor to VCC. The purpose is to ensure the internal RPE logic starts up in
a known state. If this pin is tied to VCC, the RPE function will be disabled and the multiplexer will
function as a normal multiplexer. See “Application” section for more details. The CAP pin should
never be left open.
PIN DESCRIPTION
24
23
22
21
20
19
18
17
Q3
/Q3
VCC
GND
VCC
Q4
/Q4
IN0
VT0
/IN0
VREF-AC0
VREF-AC1
IN1
VT1
/IN1
1
2
3
4
5
6
7
8
910 11 12 13 14 15 16
32 31 30 29 28 27 26 25
Q1
/Q0
Q0
SEL
VCC
/Q1
Q2
/Q2
/Q6
Q7
/Q7
CAP
VCC
Q6
/Q5
Q5
32-Pin MLF (MLF-32)
Ordering Information(1)
Package
Operating
Package
Lead
Part Number
Type
Range
Marking
Finish
SY89837UMI
MLF-32
Industrial
SY89837U
Sn-Pb
SY89837UMITR(2)
MLF-32
Industrial
SY89837U
Sn-Pb
SY89837UMG(3)
MLF-32
Industrial
SY89837U with
Pb-Free
Pb-Free bar-line indicator
NiduAu
SY89837UMGTR(2, 3)
MLF-32
Industrial
SY89837U with
Pb-Free
Pb-Free bar-line indicator
NiduAu
Notes:
1. Contact factory for die availability. Dice are guaranteed at T
A = 25°C, DC Electricals only.
2. Tape and Reel.
3. Pb-Free package is recommended for new designs.
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| SY89838U | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision 1:8 LVDS Clock Fanout Buffer with 2:1 Runt Pulse Eliminator Input MUX |
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| SY89838UMG TR | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Ultra-low Jitter 1:8 Any-In to LVDS Fanout with 2:1 RPE/FSI Input MUX with Internal Termination RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| SY89838UMGTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision 1:8 LVDS Clock Fanout Buffer with 2:1 Runt Pulse Eliminator Input MUX |
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