參數(shù)資料
型號(hào): MPC974
廠(chǎng)商: Motorola, Inc.
英文描述: 3.3V PLL Clock Driver(3.3V PLL時(shí)鐘驅(qū)動(dòng)器)
中文描述: 3.3V的PLL時(shí)鐘驅(qū)動(dòng)器(3.3鎖相環(huán)時(shí)鐘驅(qū)動(dòng)器)
文件頁(yè)數(shù): 3/9頁(yè)
文件大?。?/td> 143K
代理商: MPC974
MPC974
TIMING SOLUTIONS
BR1333 — Rev 6
3
MOTOROLA
Figure 2. Logic Diagram
PLL
Qa0:4
Q
TCLK0
FB_In
0
1
D
0
1
TCLK1
TCLK_Sel
÷
2
÷
4
0
1
PLL_EN
R
÷
2
÷
4
÷
6
VCO_Sel
R
0
1
5
Qb0:4
Q
D
R
0
1
5
Qc0:3
Q
D
R
0
1
4
QFB
Q
D
R
0
1
0
1
÷
2
fselb
fselc
fsela
MR
OE
fselFB0
fselFB1
(Int. Pulldown)
(Int. Pullup)
(Int. Pullup)
(Int. Pulldown)
(Int. Pullup)
(Int. Pulldown)
(Int. Pulldown)
(Int. Pulldown)
(Int. Pulldown)
(Int. Pullup)
(Int. Pullup)
(Int. Pulldown)
(Int. Pulldown)
ABSOLUTE MAXIMUM RATINGS*
Symbol
Parameter
Min
Max
Unit
VCC
VI
IIN
TStor
* Absolute maximum continuous ratings are those 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 under absolute-maximum-rated conditions is not implied.
Supply Voltage
–0.3
5.6
V
Input Voltage
–0.3
VDD + 0.3
8
V
Input Current
mA
Storage Temperature Range
–40
125
°
C
DC CHARACTERISTICS
(TA = 0
°
to 70
°
C, VCC = 3.3V
±
5%)
Symbol
Characteristic
Min
Typ
Max
Unit
Condition
VIH
VIL
VOH
VOL
IIN
ICC
CIN
Cpd
1. The MPC974 outputs can drive series or parallel terminated 50
(or 50
to VCC/2) transmission lines on the incident edge (see Applications
Info section).
2. Inputs have either pull–up or pull–down resistors which affect input current.
Input HIGH Voltage
2.0
VCC
0.8
V
Input LOW Voltage
V
Output HIGH Voltage
2.4
V
IOH = –20mA (Note 1.)
IOL = 20mA (Note 1.)
Note 2.
Output LOW Voltage
0.5
V
Input Current
±
100
μ
A
Maximum Quiescent Supply Current
120
mA
Input Capacitance
8
pF
Power Dissipation Capacitance
25
pF
Per Output
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