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| 型号： | IDT2308B-4DCG |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟及定时 |
| 英文描述： | 2308 SERIES, PLL BASED CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO16 |
| 封装： | SOIC-16 |
| 文件页数： | 1/13页 |
| 文件大小： | 162K |
| 代理商： | IDT2308B-4DCG |
1
COMMERCIALANDINDUSTRIALTEMPERATURERANGES
IDT2308B
3.3V ZERO DELAY CLOCK MULTIPLIER
OCTOBER 2005
2005
Integrated Device Technology, Inc.
DSC 6995/2
c
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
FEATURES:
Phase-Lock Loop Clock Distribution for Applications ranging
from 10MHz to 133MHz operating frequency
Distributes one clock input to two banks of four outputs
Separate output enable for each output bank
External feedback (FBK) pin is used to synchronize the outputs
to the clock input
Output Skew <200 ps
Low jitter <200 ps cycle-to-cycle
1x, 2x, 4x output options (see table):
– IDT2308B-1 1x
– IDT2308B-2 1x, 2x
– IDT2308B-3 2x, 4x
– IDT2308B-4 2x
– IDT2308B-1H, -2H, and -5H for High Drive
No external RC network required
Operates at 3.3V VDD
Available in SOIC and TSSOP packages
FUNCTIONAL BLOCK DIAGRAM
DESCRIPTION:
The IDT2308B is a high-speed phase-lock loop (PLL) clock multiplier. It is
designed to address high-speed clock distribution and multiplication applica-
tions. The zero delay is achieved by aligning the phase between the incoming
clock and the output clock, operable within the range of 10 to 133MHz.
TheIDT2308Bhastwobanksoffouroutputseachthatarecontrolledviatwo
select addresses. By proper selection of input addresses, both banks can be
put in tri-state mode. In test mode, the PLL is turned off, and the input clock
directly drives the outputs for system testing purposes. In the absence of an
input clock, the IDT2308B enters power down, and the outputs are tri-stated.
In this mode, the device will draw less than 25A.
The IDT2308B is available in six unique configurations for both pre-
scaling and multiplication of the Input REF Clock. (See available options
table.)
The PLL is closed externally to provide more flexibility by allowing the user
to control the delay between the input clock and the outputs.
The IDT2308B is characterized for both Industrial and Commercial opera-
tion.
NOTE: For new designs, refer to AN-233.
IDT2308B
ADVANCE
INFORMATION
3.3V ZERO DELAY
CLOCK MULTIPLIER
PLL
S1
2
14
15
3
CLKA1
CLKA2
CLKA3
CLKA4
6
10
11
CLKB1
CLKB2
CLKB3
CLKB4
9
FBK
16
Control
Logic
7
8
1
REF
S2
(-2, -3)
(-3, -4)
(-5)
2
相关PDF资料 |
PDF描述 |
|---|---|
| IDT2308B-1HDCI8 | 2308 SERIES, PLL BASED CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO16 |
| IDT2308B-1DCG8 | 2308 SERIES, PLL BASED CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO16 |
| IDT2308B-1HPGG | 2308 SERIES, PLL BASED CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO16 |
| IDT2308B-1HPGGI | 2308 SERIES, PLL BASED CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO16 |
| IDT2308B-1DC8 | 2308 SERIES, PLL BASED CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO16 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| IDT2308B-4DCG8 | 功能描述:IC CLOCK MULT ZD STD DRV 16-SOIC 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:- 标准包装:2,000 系列:- 类型:PLL 时钟发生器 PLL:带旁路 输入:LVCMOS，LVPECL 输出:LVCMOS 电路数:1 比率 - 输入:输出:2:11 差分 - 输入:输出:是/无 频率 - 最大:240MHz 除法器/乘法器:是/无 电源电压:3.135 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:32-LQFP 供应商设备封装:32-TQFP（7x7） 包装:带卷 (TR) |
| IDT2308B-4DCI | 功能描述:IC CLOCK MULT ZD STD DRV 16-SOIC RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:- 标准包装:2,000 系列:- 类型:PLL 时钟发生器 PLL:带旁路 输入:LVCMOS，LVPECL 输出:LVCMOS 电路数:1 比率 - 输入:输出:2:11 差分 - 输入:输出:是/无 频率 - 最大:240MHz 除法器/乘法器:是/无 电源电压:3.135 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:32-LQFP 供应商设备封装:32-TQFP（7x7） 包装:带卷 (TR) |
| IDT2308B-4DCI8 | 功能描述:IC CLOCK MULT ZD STD DRV 16-SOIC RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:- 标准包装:2,000 系列:- 类型:PLL 时钟发生器 PLL:带旁路 输入:LVCMOS，LVPECL 输出:LVCMOS 电路数:1 比率 - 输入:输出:2:11 差分 - 输入:输出:是/无 频率 - 最大:240MHz 除法器/乘法器:是/无 电源电压:3.135 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:32-LQFP 供应商设备封装:32-TQFP（7x7） 包装:带卷 (TR) |
| IDT2308B-5HPG | 功能描述:IC CLOCK MULT ZD HI DRV 16-TSSOP RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:- 标准包装:2,000 系列:- 类型:PLL 时钟发生器 PLL:带旁路 输入:LVCMOS，LVPECL 输出:LVCMOS 电路数:1 比率 - 输入:输出:2:11 差分 - 输入:输出:是/无 频率 - 最大:240MHz 除法器/乘法器:是/无 电源电压:3.135 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:32-LQFP 供应商设备封装:32-TQFP（7x7） 包装:带卷 (TR) |
| IDT2308B-5HPG8 | 功能描述:IC CLOCK MULT ZD HI DRV 16-TSSOP RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:- 标准包装:2,000 系列:- 类型:PLL 时钟发生器 PLL:带旁路 输入:LVCMOS，LVPECL 输出:LVCMOS 电路数:1 比率 - 输入:输出:2:11 差分 - 输入:输出:是/无 频率 - 最大:240MHz 除法器/乘法器:是/无 电源电压:3.135 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:32-LQFP 供应商设备封装:32-TQFP（7x7） 包装:带卷 (TR) |
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