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参数资料
| 型号： | MPC905DR2 |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 50 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO16 |
| 封装： | PLASTIC, SOIC-16 |
| 文件页数： | 2/5页 |
| 文件大小： | 92K |
| 代理商： | MPC905DR2 |
6
MPC905
MOTOROLA ADVANCED CLOCK DRIVERS DEVICE DATA
529
PIN CONFIGURATIONS
Pin
I/O
Type
Function
XTAL_IN, XTAL_OUT
Input
Analog
Crystal Oscillator Terminals
Enable1, Enable2
Input
LVCMOS
Output Enable
BCLK0 – BCLK5
Output
LVCMOS
Clock Outputs
VDD
Supply
Positive Power Supply
GND
Supply
Negative Power Supply
FUNCTION TABLE
ENABLE1
ENABLE2
Outputs 0 to 4
Output 5
OSC (On/Off)
0
1
0
1
0
1
Low
Toggling
Low
Toggling
Low
Toggling
ON
ABSOLUTE MAXIMUM RATINGS*
Symbol
Parameter
Min
Max
Unit
VDD
Supply Voltage
–0.5
4.6
V
VIN
Input Voltage
–0.5
VCC + 0.5
V
Toper
Operating Temperature Range
0
+70
°C
Tstg
Storage Temperature Range
–65
+150
°C
Tsol
Soldering Temperature Range (10 Sec)
+260
°C
Tj
Junction Temperature Range
+125
°C
ESD
Static Discharge Voltage
1500
V
ILatch
Latch Up Current
50
mA
* Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the
Recommended Operating Conditions.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min
Max
Unit
TA
Ambient Temperature Range
0
70
°C
VCC
Positive Supply Voltage (Functional Range)
3.0
3.6
V
tDCin
Thigh (at XTAL_IN Input)
Tlow (at XTAL_IN Input)
0.44T1
0.56T1
T = Period
1. When using External Source for reference, requirement to meet PCI clock duty cycle requirement on the output.
DC CHARACTERISTICS (TA = 0–70°C; VDD = 3.3V ±0.3V)
Symbol
Characteristic
Min
Typ
Max
Unit
Condition
VIH
High Level Input Voltage
2.0
5.52
V
VIL
Low Level Input Voltage
0.8
V
VOH
High Level Output Voltage
2.4
V
IOH = –36mA1
VOL
Low Level Output Voltage
0.4
V
IOL = 36mA1
IIH
Input High Current
2.52
A
IIL
Input Low Current
2.5
A
ICC
Power Supply Current
DC
33MHz
66MHz
20
37
78
45
95
A
mA
CIN
Input Capacitance
XTAL_IN
Others
9.0
4.5
pF
1. The MPC905 can drive 50
W transmission lines on the incident edge. Each output drives one 50W parallel terminated transmission line to
VTT = VCC/2. Alternately, the device drives up to two 50W series terminated transmission lines per output.
2. XTAL_IN input will sink up to 10mA when driven to 5.5V. There are no reliability concerns associated with the condition. Note that the Enable1
input must be a logic HIGH. Do not take the Enable1 input to a logic LOW with >VCC volts on the XTAL_IN input.
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