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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： | 4/10页 |
| 文件大小： | 395K |
| 代理商： | MPC9448ACR2 |
6
MPC9448
MOTOROLA ADVANCED CLOCK DRIVERS DEVICE DATA
583
Table 3: ABSOLUTE MAXIMUM RATINGS*
Symbol
Parameter
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 Range
–65
125
°C
* Absolute maximum continuous ratings are those values beyond which damage to the device may occur. Exposure to these conditions or condi-
tions beyond those indicated may adversely affect device reliability. Functional operation under absolute–maximum–rated conditions is not im-
plied.
Table 4: GENERAL SPECIFICATIONS
Symbol
Characteristic
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 = 3.3V ±5%, TA = –40°C to +85°C)
Symbol
Characteristic
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
VCMRa
Common Mode Range
PCLK
1.1
VCC – 0.6
V
LVPECL
IIN
Input Currentb
300
A
VIN = VCC or GND
VOH
Output HIGH Voltage
2.4
V
IOH = –24mAc
VOL
Output LOW Voltage
0.55
0.30
V
IOL = 24mAc
IOL = 12mA
ZOUT
Output Impedance
17
ICCQd
Maximum Quiescent Supply Current
2.0
mA
All VCC Pins
a. 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.
b. Input pull-up / pull-down resistors influence input current.
c. The MPC9448 is capable of driving 50
transmission lines on the incident edge. Each output drives one 50 parallel terminated transmis-
sion line to a termination voltage of VTT. Alternatively, the device drives up to two 50 series terminated transmission lines (for VCC=3.3V)
or one 50
series terminated transmission line (for VCC=2.5V).
d. ICCQ is the DC current consumption of the device with all outputs open and the input in its default state or open.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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