参数资料
型号: IDTCSP2510CPG8
厂商: IDT, Integrated Device Technology Inc
文件页数: 1/9页
文件大小: 0K
描述: IC PLL CLK DRIVER 3.3V 24-TSSOP
标准包装: 3,000
类型: PLL 驱动器,零延迟缓冲器
PLL: 带旁路
输入: 时钟
输出: 时钟
电路数: 1
比率 - 输入:输出: 1:10
差分 - 输入:输出: 无/无
频率 - 最大: 140MHz
除法器/乘法器: 无/无
电源电压: 3 V ~ 3.6 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 24-TSSOP
包装: 带卷 (TR)
其它名称: CSP2510CPG8
1
0C TO 85C TEMPERATURE RANGE
IDTCSP2510C
3.3V PHASE-LOCK LOOP CLOCK DRIVER
NOVEMBER
2008
2008 Integrated Device Technology, Inc.
DSC-5180/
4
c
IDTCSP2510C
0C TO 85C TEMPERATURE RANGE
3.3V PHASE-LOCK LOOP
CLOCK DRIVER
ZERO DELAY BUFFER
DESCRIPTION:
The CSP2510C is a high performance, low-skew, low-jitter, phase-lock
loop (PLL) clock driver. It uses a PLL to precisely align, in both frequency
and phase, the feedback (FBOUT) output to the clock (CLK) input signal.
It is specifically designed for use with synchronous DRAMs. The CSP2510C
operates at 3.3V.
One bank of ten outputs provide low-skew, low-jitter copies of CLK.
Output signal duty cycles are adjusted to 50 percent, independent of the
duty cycle at CLK. The outputs can be enabled or disabled via the control
G input. When the G input is high, the outputs switch in phase and frequency
with CLK; when the G input is low, the outputs are disabled to the logic-low
state.
Unlike many products containing PLLs, the CSP2510C does not require
external RC networks. The loop filter for the PLL is included on-chip,
minimizing component count, board space, and cost.
Because it is based on PLL circuitry, the CSP2510C requires a
stabilization time to achieve phase lock of the feedback signal to the
reference signal. This stabilization time is required, following power up and
application of a fixed-frequency, fixed-phase signal at CLK, as well as
following any changes to the PLL reference or feedback signals. The PLL
can be bypassed for the test purposes by strapping AVDD to ground.
The CSP2510C is specified for operation from 0°C to +85°C. This
device is also available (on special order) in Industrial temperature range
(-40°C to +85°C). See ordering information for details.
21
Y9
PLL
3
5
8
9
4
Y0
Y1
Y2
Y3
Y4
15
17
20
16
Y5
Y6
Y7
Y8
24
13
23
AV DD
FB IN
CLK
G
11
12
FBOUT
FUNCTIONAL BLOCK DIAGRAM
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
FEATURES:
Phase-Lock Loop Clock Distribution for Synchronous DRAM
Applications
Distributes one clock input to one bank of ten outputs
Output enable bank control
External feedback (FBIN) pin is used to synchronize the
outputs to the clock input signal
No external RC network required for PLL loop stability
Operates at 3.3V VDD
tpd Phase Error at 133MHz: < ±150ps
Jitter (peak-to-peak) at 133MHz: < ±75ps @ 133MHz
Spread Spectrum Compatible
Operating frequency 25MHz to 140MHz
Available in 24-Pin TSSOP package
APPLICATIONS:
SDRAM Modules
PC Motherboards
Workstations
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