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參數(shù)資料
| 型號(hào)： | MC88921 |
| 廠商： | Motorola, Inc. |
| 英文描述： | LOW SKEW CMOS PLL CLOCK DRIVER With Power-Down/ Power-Up Feature |
| 中文描述： | 低偏移的CMOS PLL時(shí)鐘驅(qū)動(dòng)器，掉電/啟動(dòng)功能 |
| 文件頁(yè)數(shù)： | 4/10頁(yè) |
| 文件大小： | 106K |
| 代理商： | MC88921 |
MC88921
MOTOROLA
TIMING SOLUTIONS
BR1333 — REV 5
4
Figure 1. MC88921 Logic Block Diagram
Q
R
D
Q0
VCO
CH
PUMP
PFD
SYNC1
PLL_EN
MR
POWER–ON
RESET
0
1
LOCK INDICATOR
2X_Q
LOCK
Q
R
D
Q1
Q
R
D
Q2
Q
R
D
“Dummy” Flip–Flop to Maintain
Phase–Locked Operation
Q
R
D
Q3
Q
R
D
Q
RC1
÷
2
0
1
FBSEL
Q/2
FREQUENCY SPECIFICATIONS
(TA = –40
°
C to 85
°
C; VCC = 5.0V
±
5%)
Symbol
Parameter
Guaranteed Minimum
Unit
Fmax (2X_Q)
Maximum Operating Frequency, 2X_Q Output
66
MHz
Fmax (‘Q’)
Maximum Operating Frequency,
Q0–Q3 Outputs
33
MHz
1. Maximum Operating Frequency is guaranteed with the 88921 in a phase–locked condition, and all outputs loaded at 50pF.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC88921DW | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:LOW SKEW CMOS PLL CLOCK DRIVER With Power-Down/ Power-Up Feature |
| MC889AL | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC889AP | 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
| MC88A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8 TUNES 8 KEY WITH SCAN KEY |
| MC88B/IVY | 制造商:TELEPHONE EQUIPMENT 功能描述:THREE COUPLER 8P8C |
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