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| 型号： | ICS841664AGILFT |
| 厂商： | IDT, Integrated Device Technology Inc |
| 文件页数： | 12/19页 |
| 文件大小： | 0K |
| 描述： | IC CLOCK GENERATOR 28-TSSOP |
| 标准包装： | 1,000 |
| 系列： | HiPerClockS™, FemtoClock™ |
| 类型： | 时钟发生器，扇出配送，多路复用器 |
| PLL： | 带旁路 |
| 输入： | LVCMOS，LVTTL，晶体 |
| 输出： | HCSL，LVCMOS，LVTTL |
| 电路数： | 1 |
| 比率 - 输入:输出： | 2:5 |
| 差分 - 输入:输出： | 无/是 |
| 频率 - 最大： | 156.25MHz |
| 除法器/乘法器： | 是/无 |
| 电源电压： | 3.135 V ~ 3.465 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-TSSOP（0.240"，6.10mm 宽） |
| 供应商设备封装： | 28-TSSOP |
| 包装： | 带卷 (TR) |
| 其它名称： | 841664AGILFT |
ICS841664AGI REVISION A JULY 15, 2013
2
2013 Integrated Device Technology, Inc.
ICS841664I Data Sheet
FEMTOCLOCK CRYSTAL-TO-HCSL CLOCK GENERATOR
Pin Description and Pin Characteristic Tables
Table 1. Pin Descriptions
NOTE: Pullup and Pulldown refer to internal input resistors. See Table 2, Pin Characteristics, for typical values.
Table 2. Pin Characteristics
Number
Name
Type
Description
1, 18
VDD
Power
Core supply pins.
2
REF_OUT
Output
LVCMOS/LVTTL reference frequency clock output.
3, 7, 15, 22
GND
Power
Power supply ground.
4, 5,
8, 9
QA0, nQA0
QA1, nQA1
Output
Differential Bank A output pairs. HCSL interface levels.
6VDDOA
Power
Output supply pin for Bank A outputs.
10
nREF_OE
Input
Pullup
Active low REF_OUT enable/disable. See Table 3E.
LVCMOS/LVTTL interface levels.
11
BYPASS
Input
Pulldown
Selects PLL/PLL bypass mode. See Table 3C. LVCMOS/LVTTL interface levels.
12
REF_IN
Input
Pulldown
LVCMOS/LVTTL reference clock input.
13
REF_SEL
Input
Pulldown
Reference select, Selects the input reference source. See Table 3B.
LVCMOS/LVTTL interface levels
14
VDDA
Power
Analog supply pin.
16,
17
XTAL_OUT,
XTAL_IN
Input
Parallel resonant crystal interface. XTAL_OUT is the output,
XTAL_IN is the input.
19
MR/nOE
Input
Pulldown
Active HIGH master reset. Active LOW output enable. When logic HIGH, the
internal dividers are reset and the outputs are in high impedance. When logic
LOW, the internal dividers and the outputs are enabled. See Table 3D.
LVCMOS/LVTTL interface levels.
20, 21,
24, 25
nQB1, QB1
nQB0, QB0
Output
Differential Bank B output pairs. HCSL interface levels.
23
VDDOB
Power
Output supply pin for Bank B outputs.
26,
27
FSEL1,
FSEL0
Input
Pulldown
Output frequency select pins. LVCMOS/LVTTL interface levels.
28
IREF
Output
HCSL current reference resistor output. A fixed precision resistor (475
) form this
pin to ground provides a reference current used for differential current-mode
QX[0:1], nQX[0:1] clock outputs.
Symbol
Parameter
Test Conditions
Minimum
Typical
Maximum
Units
CIN
Input Capacitance
4pF
CPD
Power Dissipation Capacitance
VDD = 3.465V
4
pF
RPULLUP
Input Pullup Resistor
51
k
RPULLDOWN
Input Pulldown Resistor
51
k
ROUT
Output Impedance
REF_OUT
VDD = 3.465V
20
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相关代理商/技术参数 |
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|---|---|
| ICS841664I | 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:FEMTOCLOCK? CRYSTAL-TO-HCSL CLOCK GENERATOR |
| ICS841N254AKILF | 功能描述:IC CLK SYNTH PLL 250MHZ 32VFQFN RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:FemtoClock® NG 标准包装:27 系列:Precision Edge® 类型:频率合成器 PLL:是 输入:PECL，晶体 输出:PECL 电路数:1 比率 - 输入:输出:1:1 差分 - 输入:输出:无/是 频率 - 最大:800MHz 除法器/乘法器:是/无 电源电压:3.135 V ~ 5.25 V 工作温度:0°C ~ 85°C 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC 包装:管件 |
| ICS841N254AKILFT | 制造商:Integrated Device Technology Inc 功能描述:IC CLK SYNTHESIZER 32VFQFN |
| ICS841N254I | 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:FEMTOCLOCK? NG Crystal-to-LVDS/HCSL Clock Synthesizer |
| ICS841S01 | 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:PCI EXPRESS⑩ CLOCK GENERATOR |
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