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参数资料
| 型号： | MC88921DW |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟及定时 |
| 英文描述： | 88921 SERIES, PLL BASED CLOCK DRIVER, 5 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO20 |
| 封装： | SOIC-20 |
| 文件页数： | 4/11页 |
| 文件大小： | 544K |
| 代理商： | MC88921DW |
MC88921
MOTOROLA
TIMING SOLUTIONS
BR1333 — REV 5
2
19
20
18
17
16
15
14
13
12
11
2
1
3
4
5
6
7
8
9
10
Pinout: 20–Lead Wide SOIC Package (Top View)
GND
Q3
2X_Q
VCC
Q/2
MR
VCC
PLL_EN
Q2
VCC(AN)
GND
RC1
LOCK
GND(AN)
FBSEL
SYNC
Q1
GND
VCC
Q0
Power–Down Mode Functionality
The MC88921 has a special feature
designed in to allow the processor clock
inputs to be reset for total processor
power–down, and then to return to
phase–locked operation very quickly when
the processor is powered–up again.
The MR pin resets outputs 2X_Q, Q0
and Q1 only leaving the other outputs
operational for other system activity. When
MR is negated, all outputs will be operating
normally within 3 clock cycles.
CAPACITANCE AND POWER SPECIFICATIONS
Symbol
Parameter
Value Typ
Unit
Test Conditions
CIN
Input Capacitance
4.5
pF
VCC = 5.0V
CPD
Power Dissipation Capacitance
40
pF
VCC = 5.0V
PD1
Power Dissipation at 33MHz With 50
Thevenin Termination
15mW/Output
90mW/Device
mW
VCC = 5.0V
T = 25
°C
PD2
Power Dissipation at 33MHz With 50
Parallel Termination to GND
37.5mW/Output
225mW/Device
mW
VCC = 5.0V
T = 25
°C
MAXIMUM RATINGS*
Symbol
Parameter
Limits
Unit
VCC, AVCC
DC Supply Voltage Referenced to GND
–0.5 to 7.0
V
Vin
DC Input Voltage (Referenced to GND)
–0.5 to VCC +0.5
V
Vout
DC Output Voltage (Referenced to GND)
–0.5 to VCC +0.5
V
Iin
DC Input Current, Per Pin
±20
mA
Iout
DC Output Sink/Source Current, Per Pin
±50
mA
ICC
DC VCC or GND Current Per Output Pin
±50
mA
Tstg
Storage Temperature
–65 to +150
°C
* Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the
Recommended Operating Conditions.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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MC88921
Low Skew CMOS PLL Clock Drivers With Power-Down/Power-up Feature
NETCOM
IDT Low Skew CMOS PLL Clock Drivers With Power-Down/Power-up Feature
Freescale Timing Solutions Organization has been acquired by Integrated Device Technology, Inc
MC88921
2
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| MC88I TERMINAL | 制造商:MC TECHNOLOGIES 功能描述:MOD GSM / GPRS QUADBAND TERMI 制造商:MC TECHNOLOGIES 功能描述:MOD, GSM / GPRS QUADBAND TERMINAL 制造商:MC TECHNOLOGIES 功能描述:MOD, GSM / GPRS QUADBAND TERMINAL; No. of Channels:4; Protocol:TCP / IP; Supply Voltage Min:8V; Supply Voltage Max:30V; Frequency RF:1.9GHz; Module Interface:RS232, USB; Kit Features:GPRS upto 86kbps, Data CSD upto 14.4kbps, Secure ;RoHS Compliant: Yes |
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