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| 型号： | MPC9448AC |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟及定时 |
| 英文描述： | 9448 SERIES, LOW SKEW CLOCK DRIVER, 12 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32 |
| 封装： | LEAD FREE, LQFP-32 |
| 文件页数： | 2/12页 |
| 文件大小： | 486K |
| 代理商： | MPC9448AC |
IDT / ICS LVCMOS 1:12 CLOCK FANOUT BUFFER
10
MPC9448
REV 6 JULY 11, 2006
MPC9448
3.3V/2.5V LVCMOS 1:12 CLOCK FANOUT BUFFER
Figure 13. Propagation Delay (tPD) Test Reference
Figure 14. Propagation Delay (tPD) Test Reference
Figure 15. Output-to-Output Skew tSK(LH, HL)
Figure 16. Output Pulse Skew (tSK(P)) Test Reference
Figure 17. Output Duty Cycle (DC)
Figure 18. Output Transition Time Test Reference
Figure 19. Cycle-to-Cycle Jitter
Figure 20. Setup and Hold Time (tS, tH) Test Reference
VCC
GND
PCLK
QX
PCLK
VPP
tP(LH)
tP(HL)
VCC
VCC÷2
GND
VCC
VCC÷2
GND
CCLK
QX
tP(LH)
tP(HL)
The pin-to-pin skew is defined as the worst case differ-
ence in propagation delay between any similar delay
path within a single device.
VCC
VCC÷2
GND
VCC
VCC÷2
GND
tSK(LH)
tSK(HL)
VCC
VCC÷2
GND
VCC
VCC÷2
GND
tP(LH)
CCLK
QX
tP(HL)
tSK(P) = | tPLH – tPHL |
The time from the output controlled edge to the non-
controlled edge, divided by the time between output
controlled edges, expressed as a percentage.
VCC
VCC÷2
GND
tP
T0
DC = (tP ? T0 x 100%)
tF
tR
VCC=3.3 V VCC=2.5 V
2.4
1.8 V
0.55
0.6 V
The variation in cycle time of a signal between ad-
jacent cycles, over a random sample of adjacent
cycle pairs.
TN
TJIT(CC) = |TN-TN+1|
TN+1
VCC
VCC÷2
GND
VCC
VCC÷2
GND
tS
CCLK
PCLK
CLK_STOP
tH
MPC9448
3.3 V/2.5 V LVCMOS 1:12 Clock Fanout Buffer
NETCOM
IDT 3.3 V/2.5 V LVCMOS 1:12 Clock Fanout Buffer
Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc
MPC9448
10
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MPC9448ACR2 | 功能描述:时钟缓冲器 FSL 1-12 LVCMOS Fanout Buffer RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟（最大值）: 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel |
| MPC9448D | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:3.3V/2.5V LVCMOS 1:12 Clock Fanout Buffer |
| MPC9448FA | 功能描述:时钟缓冲器 2.5 3.3V 275MHz Clock Generator RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟（最大值）: 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel |
| MPC9448FAR2 | 功能描述:IC CLOCK BUFFER MUX 2:12 32-LQFP RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 时钟缓冲器，驱动器 系列:- 标准包装:1 系列:HiPerClockS™ 类型:扇出缓冲器（分配），多路复用器 电路数:1 比率 - 输入:输出:2:18 差分 - 输入:输出:是/无 输入:CML，LVCMOS，LVPECL，LVTTL，SSTL 输出:LVCMOS，LVTTL 频率 - 最大:250MHz 电源电压:2.375 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:- 其它名称:800-1923-6 |
| MPC9449 | 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:3.3V / 2.5 V 1:15 PECL/LVCMOS |
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