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參數(shù)資料
| 型號(hào)： | SY89426JY |
| 廠商： | Micrel Inc |
| 文件頁(yè)數(shù)： | 2/7頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC SYNTHESIZER CLK SONET 28-PLCC |
| 標(biāo)準(zhǔn)包裝： | 38 |
| 系列： | Precision Edge® |
| 類型： | 時(shí)鐘/頻率合成器 |
| PLL： | 無(wú) |
| 輸入： | TTL |
| 輸出： | PECL，TTL |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:2 |
| 差分 - 輸入:輸出： | 無(wú)/是 |
| 頻率 - 最大： | 622.08MHz |
| 除法器/乘法器： | 是/無(wú) |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-LCC（J 形引線） |
| 供應(yīng)商設(shè)備封裝： | 28-PLCC |
| 包裝： | 管件 |
2
Precision Edge
SY89426
Micrel, Inc.
M9999-112105
hbwhelp@micrel.com or (408) 955-1690
PACKAGE/ORDERING INFORMATION
28-Pin PLCC (J28-1)
Ordering Information(1)
Package
Operating
Package
Lead
Part Number
Type
Range
Marking
Finish
SY89426JC
J28-1
Commercial
SY89426JC
Sn-Pb
SY89426JCTR(2)
J28-1
Commercial
SY89426JC
Sn-Pb
SY89426JY(3)
J28-1
Industrial
SY89426JY with
Matte-Sn
Pb-Free bar line indicator
Pb-Free
SY89426JYTR(2, 3)
J28-1
Industrial
SY89426JY with
Matte-Sn
Pb-Free bar line indicator
Pb-Free
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.
26
27
28
1
2
3
4
18
17
16
15
14
13
12
25 24
23
22
21 20
19
56
7
8
9
10
11
GND
NC
GND
NC
VCC
FLTRP
RST
RETRFCK
V
CC
V
CC
DISC
FLTRN
PLCC
TOP VIEW
J28-1
VCC
CK622P
CK622N
VCCO
CK155
GND
SEL39
RFCK
VCC
NC
SEL78
INPUTS
RFCK [Reference Clock] TTL
Reference clock IN. (38.88, 51.84 or 77.76MHz).
SEL39 [38.88MHz Select] TTL
Logic HIGH on this pin denotes a 38.88MHz input reference
clock. Tie to logic LOW if input is not 38.88MHz.
SEL78 [77.76MHz Select] TTL
Logic HIGH on this pin denotes a 77.76MHz input reference
clock. Tie to logic LOW if input is not 77.76MHz.
RST [Reset] TTL
Tie to logic LOW for normal operation; logic HIGH forces reset
of internal Phase Detector & feedback dividers.
FLTRP, FLTRN [Loop Filter, Pos & Neg] Analog
Connect a series RC loop filter between these pins. The
suggested RC values are 500
and 0.1F, as shown in the
Typical Application.
DISC [Disable Clock] TTL
Logic HIGH on this pin disables the Retimed Reference Clock
output RETRFCK); if this output is not required, it is
recommended that it be disabled to reduce switching noise. A
logic LOW enables the output.
PIN DESCRIPTION
OUTPUTS
CK622P, CK622N [622 Clock Output] Differential PECL.
622.08MHz output clock from PLL B.
CK155 [155 Clock Out] Single-ended PECL
155.52MHz output clock.
RETRFCK [Retimed Reference Clock Out] TTL
An output clock with the same frequency as the input Reference
Clock (RFCK) and a 45-55% duty cycle. This output is derived
by dividing the 622.08MHz output by the appropriate factor
(e.g., divide by 16 for a 38.88MHz inout reference; divide by
12 for 51.84Mhz in; or divide by 8 for 77.76MHz in).
POWER & GROUND
VCC
+5V for internal circuits.
VCCO
+5V for PECL outputs.
GND
Ground (0 volts).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SY89426JY TR | 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 SONET OC-12/OC-3 Clock Synthesizer (I Temp, Lead Free) RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel |
| SY89426JYTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:SONET OC-12/OC-3 CLOCK SYNTHESIZER |
| SY89429 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:5V/3.3V PROGRAMMABLE FREQUENCY SYNTHESIZER 25MHz to 400MHz |
| SY89429A | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:PROGRAMMABLE FREQUENCY SYNTHESIZER 25MHz to 400MHz |
| SY89429A_09 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:PROGRAMMABLE FREQUENCY SYNTHESIZER (25MHz to 400MHz) |
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