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| 型号： | MPC9448ACR2 |
| 厂商： | FREESCALE SEMICONDUCTOR 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： | PLASTIC, LQFP-32 |
| 文件页数： | 6/10页 |
| 文件大小： | 395K |
| 代理商： | MPC9448ACR2 |
6
MPC9448
MOTOROLA ADVANCED CLOCK DRIVERS DEVICE DATA
585
Table 8: AC CHARACTERISTICS (VCC = 2.5V ±5%, TA = –40°C to +85°C)a
Symbol
Characteristics
Min
Typ
Max
Unit
Condition
fref
Input Frequency
0
350
MHz
fMAX
Maximum Output Frequency
0
350
MHz
VPP
Peak-to-peak input voltage
PCLK
400
1000
mV
LVPECL
VCMRb
Common Mode Range
PCLK
1.2
VCC-0.8
V
LVPECL
tP, REF
Reference Input Pulse Width
1.4
ns
tr, tf
CCLK Input Rise/Fall Time
1.0c
ns
0.8 to 2.0V
tPLH/HL
Propagation delay
PCLK to any Q
CCLK to any Q
1.5
1.7
4.2
4.4
ns
tPLZ, HZ
Output Disable Time
11
ns
tPZL, LZ
Output Enable Time
11
ns
tS
Setup time
CCLK to CLK_STOP
PCLK to CLK_STOP
0.0
ns
tH
Hold time
CCLK to CLK_STOP
PCLK to CLK_STOP
1.0
1.5
ns
tsk(O)
Output-to-output Skew
150
ps
tsk(PP)
Device-to-device Skew
PCLK or CCLK to any Q
2.7
ns
tSK(p)
DCQ
Output pulse skewd
Using CCLK
Using PCLK
Output Duty Cycle
fQ< 350 MHz and using CCLK
fQ<200 MHz and using PCLK
45
50
200
300
55
ps
%
DCREF = 50%
tr, tf
Output Rise/Fall Time
0.1
1.0
ns
0.6 to 1.8V
a. AC characteristics apply for parallel output termination of 50
to VTT.
b. VCMR (AC) is the crosspoint of the differential input signal. Normal AC operation is obtained when the crosspoint is within the VCMR range
and the input swing lies within the VPP (AC) specification. Violation of VCMR or VPP impacts tPLH/HL and tSK(PP).
c. Violation of the 1.0 ns maximum input rise and fall time limit will affect the device propagation delay, device-to-device skew, reference input
pulse width, output duty cycle and maximum frequency specifications.
d. Output pulse skew is the absolute difference of the propagation delay times: | tpLH - tpHL |.
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For More Information On This Product,
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| 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 |
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| 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 |
| MPC9449AC | 功能描述:IC CLK BUFF DVDR MUX 3:15 52LQFP RoHS:是 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 |
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