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LC72323

Features: • Stack: Eight levels• Fast programmable divider• General-purpose counters: HCTR for frequency measurement and LCTR for frequency or period measurement• LCD driver for displays with up to 56 segments (1/2 duty, 1/2 bias)• Program memory (ROM): 3 k words by 1...

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SeekIC No. : 004391833 Detail

LC72323: Features: • Stack: Eight levels• Fast programmable divider• General-purpose counters: HCTR for frequency measurement and LCTR for frequency or period measurement• LCD driver ...

LC72323 Data Sheet

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Part Number:
LC72323
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• Stack: Eight levels
• Fast programmable divider
• General-purpose counters: HCTR for frequency measurement and LCTR for frequency or period measurement
• LCD driver for displays with up to 56 segments (1/2 duty, 1/2 bias)
• Program memory (ROM): 3 k words by 16 bits
• Data memory (RAM): 256 4-bit digits
• All instructions are single-word instructions
• Cycle time: 2.67 s, 13.33 s, or 40.00 s (option)
• Unlock FF: 0.55 s detection, 1.1 s detection
• Timer FF: 1 ms, 5ms, 25ms, 125ms
• Input ports*: One dedicated key input port and one high-breakdown voltage port
• Output ports*: Two dedicated key output ports, one high-breakdown voltage open-drain port Two CMOS output ports (of which one can be switched to be used as LCD driver outputs) Seven CMOS output ports (mask option switchable to use as LCD ports)
• I/O ports*: One switchable between input and output in four-bit units and one switchable between input and output in one-bit units




Pinout

Connection Diagram


Specifications

Parameter Parameter Symbol Conditions Ratings Unit
Maximum supply voltage VDD max 0.3 to +6.5 V
Input voltage VIN1 HOLD, INT, RES, SNS, and the G port 0.3 to +13 V
VIN2 Inputs other than VIN1 0.3 to VDD + 0.3 V
Output voltage VOUT1 H port 0.3 to +15 V
VOUT2 Outputs other than VOUT1 0.3 to VDD + 0.3 V
Output current IOUT1 All D and H port pins 0 to 5 mA
IOUT2 All E and F port pins 0 to 3 mA
IOUT3 All B and C port pins 0 to1 mA
IOUT4 S1 to S28 and all I port pins 0 to 1 mA
Allowable power
dissipation		 Pd max Ta = 40 to +85°C 300* mW
Operating temperature Topg 40 to +85 °C
Storage temperature Tstg 45 to +125 °C



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