MPC94551DR2 データシートの表示（PDF） - Freescale Semiconductor
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MPC94551DR2 Datasheet PDF : 4 Pages
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Table 1. Pin Description
Pin Number
1
2
3
4
5
6
7
8
Pin Name
ICLK
Q1
Q2
Q3
Q4
GND
VDD
OE
Pin Type
Input
Output
Output
Output
Output
Power
Power
Input
Pin Description
Clock input, internal pull-up resistor
Clock output(1)
Clock output(1)
Clock output(1)
Clock output(1)
Connect to ground(2)
Connect to 3.3 V(2)
Output enable, tri-states outputs when low, internal pull-up resistor
1. A 33 Ω series terminating resistor may be used on each clock output if the trace is longer than 1 inch.
2. A decoupling capacitor of 0.01 µF should be connected between VDD on pin 7 and GND on pin 6, as close to the device as possible.
Table 2. Absolute Maximum Ratings(1)
Parameter
Power Supply Voltage, VDD
All Inputs and Outputs
Ambient Operating Temperature
Storage Temperature
Junction Temperature
Soldering Temperature
Rating
Unit
3.9
V
–0.5 to VDD +0.5
V
–40 to +85
°C
–65 to +150
°C
175
°C
260
°C
1. Stresses above the ratings listed below can cause permanent damage to the device. These ratings are stress ratings only. Functional
operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied.
Exposure to absolute maximum rating conditions for extended periods can affect product reliability. Electrical parameters are guaranteed
only over the recommended operating temperature range.
Table 3. DC Characteristics (VDD = 3.3 V ± 5%; Ambient Temperature = –40°C to 85°C)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Operating Voltage
Input High Voltage(1), ICLK
Input Low Voltage(1), ICLK
Input High Voltage, OE
Input Low Voltage, OE
Ouput Low Voltage
Output High Voltage
Operating Supply Current
Nominal Output Impedance
Internal Pull-up Resistor
Input Capacitance
Short Circuit Current
VDD
VIH
VIL
VIH
VIL
VOL
VOH
IDD
ZO
RPU
CIN
CIN
IOS
IOL = 12 mA
IOH = –12 mA
No load, 135 MHz
ICLK
OE pin
ICLK
3.15
3.45
V
VDD/2 + 0.7
2
3.8
V
VDD/2 – 0.7
V
VDD
V
0.8
V
0.4
V
2.4
V
30
mA
27
Ω
31
kΩ
5
pF
1
pF
±50
mA
1. Nominal switching threshold is VDD/2.
MPC94551
2
Advanced Clock Drivers Devices
Freescale Semiconductor
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