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LC72146

Features: • High-speed programmable dividers for - 10 to 160 MHz on FMIN using pulse swallower - 0.5 to 40.0 MHz on AMIN using pulse swallower and direct division• General-purpose counters - HCTR for 0.4 to 25.0 MHz frequency measurement - LCTR for 10 to 500 kHz frequency measurement a...

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SeekIC No. : 004391806 Detail

LC72146: Features: • High-speed programmable dividers for - 10 to 160 MHz on FMIN using pulse swallower - 0.5 to 40.0 MHz on AMIN using pulse swallower and direct division• General-purpose counte...

LC72146 Data Sheet

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Part Number:
LC72146
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/1/11

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Product Details

Description



Features:

• High-speed programmable dividers for
    - 10 to 160 MHz on FMIN using pulse swallower
    - 0.5 to 40.0 MHz on AMIN using pulse swallower and direct division
• General-purpose counters
    - HCTR for 0.4 to 25.0 MHz frequency measurement
    - LCTR for 10 to 500 kHz frequency measurement and 1.0 Hz to 20 ´ 103 kHz period measurement
• Reference frequencies: Twelve selectable reference frequencies (4.5 or 7.2 MHz crystal) 1, 3, 5, 9, 10, 3.125, 6.25, 12.5, 25, 30, 50 and 100 kHz
• Phase comparator
    - Insensitive band control
    - Unlock detection
    - Sub-charge pump for high-speed locking
    - Deadlock clear circuit
• CCB input/output data interface
• Power-on reset circuit
• Built-in MOS transistor for a low-pass filter
• Inputs/outputs (using five general-purpose input/output ports)
    - Maximum of seven inputs (max)
    - Maximum of seven outputs (max/four n-channel open-drain and three CMOS outputs)
- Time-base output for clock (8 Hz)
• Operating ranges
    - Supply voltage ..................................4.5 to 5.5 V
    - Opetating temperature ......................40 to 85°C
• Package
    - DIP24S, MFP24S


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VDD max
 VDD
0.3 to +7.0
V
Maximum input voltage
VIN1 max
 CE, CL, DI
0.3 to +7.0
V
VIN2 max
 XIN, FMIN, AIN, AMIN, HCTR/I-6, LCTR/I-7, I/O-4, I/O-5
0.3 to VDD + 0.3
V
VIN3 max
 I/O-1 to I/O-3
0.3 to +15
V
Maximum output voltage
VO1 max
 DO
0.3 to +7.0
V
VO2 max
 XOUT, I/O-4, I/O-5, O-6, PD0, PF1, AIN
0.3 to VDD + 0.3
V
VO3 max
 I/O-1 to I/O-3, AOUT, O-7
0.3 to +15
V
Maximum output current
IO1 max
 I/O-4, I/O-5, O-6, O-7
0 to 3.0
mA
IO2 max
 DO, AOUT
0 to 6.0
mA
IO3 max
 I/O-1 to I/O-3
0 to 10
mA
Allowable power dissipation
Pd max
 DIP24S:Ta 85°C
350
mW
MFP24S:Ta 85°C
220
mW
Operating temperature
Topr
  
40 to +85
°C
Storage temperature
Tstg
  
55 to +125
°C



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