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參數(shù)資料
| 型號： | SY89801AMC |
| 廠商： | MICREL INC |
| 元件分類： | XO, clock |
| 英文描述： | HP PA-8000 CLOCK SOURCE |
| 中文描述： | 264 MHz, PROC SPECIFIC CLOCK GENERATOR, PQCC44 |
| 封裝： | MQUAD-44 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大小： | 82K |
| 代理商： | SY89801AMC |
Pin
Function
REF_CLK, REF_CLK
Differential Input Ref. Clock
FILP, FILN
Filter Pins (Positive & Negative)
V
CCA
, V
EEA
Analog V
CC
, V
EE
RST
Master Reset
FSEL2-0
LVPECL Frequency Select Pins
USYNC, USYNC
Diff. HSTL Sync Signal for PA-8000
PCLK1-2, PCLK1-2
Diff. HSTL Processor Clock Signal
RCLK, RCLK
Diff. HSTL Runway Clock Signal
RCLKLV, RCLKLV
Diff. LVPECL Clock Signal
Micrel-Synergy's SY89801A PLL based clock generator
provides, in a single chip, all the necessary clocks for Hewlett-
Packard's PA-8000 Microprocessor.
Utilizing Micrel-Synergy's advanced PLL technology, the
SY89801A accepts a Positive-ECL (PECL) reference clock
input at 100MHz-132MHz, and provides precisely aligned,
ultra-low-jitter ratios of frequencies necessary for the operation
of the processor. In addition, the SY89801A provides the
"USYNC" synchronizing signals as required by the PA-8000.
The frequency ratios are 1:1, 4:3, 3:2, 5:3 and 2:1.
To facilitate direct interfacing to the PA-8000, the SY89801A
operates across +3.3 volt and -1.9 volt supplies. The processor
clock (PCLK), runway clock (RCLK) , and USYNC outputs are
HSTL-compatible. Additionally, there is a PECL-compatible
runway clock output (RCLKLV). The SY89801A requires only
a simple external series-RC loop filter.
Coupling Micrel-Synergy's advanced PLL technology with
our proprietary ASSET bipolar process has produced a
Timing Generator IC which meets the stringent requirements
of the PA-8000
μ
P, while setting a new standard for
performance and flexibility.
FEATURES
I
3.3V, –1.9V power suppies
I
Differential LVPECL clock input
I
Differential HSTL/LVPECL outputs
I
Compatible with HP PA-8000 microprocessors
I
Low-jitter source for all PA-8000 required timing
signals
I
Available in 44-pin MQUAD package
DESCRIPTION
Rev.: E
Issue Date:
Amendment: /0
November 1998
ClockWorks
PRELIMINARY
SY89801A
HP PA-8000
CLOCK SOURCE
PIN CONFIGURATION
PIN NAMES
USYNC
USYNC
NC
NC
VCC
VEEA
NC
NC
FILP
FILN
VCCA
NC
NC
NC
NC
NC
39
1
TOP VIEW
MQUAD
M44-1
2
3
4
5
6
44 43 42 41 40
38
37
36
35
34
33
32
31
30
29
23
22
21
20
19
18
24 25 26 27 28
7
8
9
10
11
12
13
14
15
16
17
V
N
N
R
R
V
R
R
R
R
V
VEE
PCLK1
PCLK1
PCLK2
PCLK2
VCC
V
N
N
N
R
V
N
F
F
F
V
1
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PDF描述 |
|---|---|
| SY89830UK4ITR | 2.5V/3.3/5V 2.5GHz 1:4 PECL/ECL CLOCK DRIVER WITH 2:1 DIFFERENTIAL INPUT MUX |
| SY89830U | 2.5V/3.3/5V 2.5GHz 1:4 PECL/ECL CLOCK DRIVER WITH 2:1 DIFFERENTIAL INPUT MUX |
| SY89830UK4I | 2.5V/3.3/5V 2.5GHz 1:4 PECL/ECL CLOCK DRIVER WITH 2:1 DIFFERENTIAL INPUT MUX |
| SY89850U | Single Supply RS232C Line Driver/Receiver(?????μ?o?RS232C ?o?????????¨???2???2??????) |
| SY89850UMG | Single Supply RS232C Line Driver/Receiver(?????μ?o?RS232C ?o?????????¨???2???2??????) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SY89801AMCA | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:HP PA-8000 CLOCK SOURCE |
| SY89801AMCAR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Industrial Control IC |
| SY89808L | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V, 500MHz, 1:9 DIFFERENTIAL HSTL (1.5V) FANOUT BUFFER/TRANSLATOR |
| SY89808LTG | 功能描述:時(shí)鐘緩沖器 500MHz 1:9 Diff. HSTL Fanout Buffer (I Temp, Green) RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
| SY89808LTG TR | 功能描述:時(shí)鐘緩沖器 500MHz 1:9 Diff. HSTL Fanout Buffer (I Temp, Green) RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
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