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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： | 6/12页 |
| 文件大小： | 486K |
| 代理商： | MPC9448AC |
IDT / ICS LVCMOS 1:12 CLOCK FANOUT BUFFER
3
MPC9448
REV 6 JULY 11, 2006
MPC9448
3.3V/2.5V LVCMOS 1:12 CLOCK FANOUT BUFFER
Table 3. Absolute Maximum Ratings(1)
1. Absolute maximum continuous ratings are those maximum values beyond which damage to the device may occur. Exposure to these
conditions or conditions beyond those indicated may adversely affect device reliability. Functional operation at absolute-maximum-rated
conditions is not implied.
Symbol
Characteristics
Min
Max
Unit
VCC
Supply Voltage
–0.3
3.9
V
VIN
DC Input Voltage
–0.3
VCC + 0.3
V
VOUT
DC Output Voltage
–0.3
VCC + 0.3
V
IIN
DC Input Current
±20
mA
IOUT
DC Output Current
±50
mA
TStor
Storage temperature
–65
125
°C
Table 4. General Specifications
Symbol
Characteristics
Min
Typ
Max
Unit
Condition
VTT
Output Termination Voltage
VCC ÷ 2
V
MM
ESD Protection (Machine model)
200
V
HBM
ESD Protection (Human body model)
2000
V
LU
Latch-up Immunity
200
mA
CPD
Power Dissipation Capacitance
10
pF
Per output
CIN
Input Capacitance
4.0
pF
Inputs
Table 5. DC Characteristics (VCC = 3.3 V ± 5%, TA = -40°C to +85°C)
Symbol
Characteristics
Min
Typ
Max
Unit
Condition
VIH
Input HIGH Voltage
2.0
VCC + 0.3
V
LVCMOS
VIL
Input LOW Voltage
–0.3
0.8
V
LVCMOS
VPP
Peak-to-Peak Input Voltage
PCLK
250
mV
LVPECL
VCMR(1)
1. VCMR (DC) is the crosspoint of the differential input signal. Functional operation is obtained when the crosspoint is within the VCMR range
and the input swing lies within the VPP (DC) specification.
Common Mode Range
PCLK
1.1
VCC – 0.6
V
LVPECL
IIN
Input Current(2)
2. Input pull-up / pull-down resistors influence input current.
300
μA
VIN = VCC or GND
VOH
Output HIGH Voltage
2.4
V
IOH = –24 mA(3)
3. The MPC9448 is capable of driving 50
Ω transmission lines on the incident edge. Each output drives one 50 Ω parallel terminated
transmission line to a termination voltage of VTT. Alternatively, the device drives up to two 50 Ω series terminated transmission lines
(for VCC = 3.3 V) or one 50 Ω series terminated transmission line (for VCC = 2.5 V).
VOL
Output LOW Voltage
0.55
0.30
V
IOL = 24 mA(3)
IOL = 12 mA
ZOUT
Output Impedance
17
Ω
ICCQ(4)
4. ICCQ is the DC current consumption of the device with all outputs open and the input in its default state or open.
Maximum Quiescent Supply Current
2.0
mA
All VCC Pins
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
3
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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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