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LC72345W

Features: • Program memory (ROM): 3072 ´ 16 bits (6 KB) LC72344W 4096 ´ 16 bits (8 KB) LC72345W• Data memory (RAM): 192 ´ 4 bits LC72344W 256 ´ 4 bits LC72345W• Cycle time: 40 s (all 1-word instructions)• Stack: 8 levels• LCD driver: 48 to 76 s...

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SeekIC No. : 004391852 Detail

LC72345W: Features: • Program memory (ROM): 3072 ´ 16 bits (6 KB) LC72344W 4096 ´ 16 bits (8 KB) LC72345W• Data memory (RAM): 192 ´ 4 bits LC72344W 256 ´ 4 bits LC72345W...

LC72345W Data Sheet

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Part Number:
LC72345W
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: 2024/5/28

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Product Details

Description



Features:

• Program memory (ROM): 3072 ´ 16 bits (6 KB) LC72344W 4096 ´ 16 bits (8 KB) LC72345W
• Data memory (RAM): 192 ´ 4 bits LC72344W 256 ´ 4 bits LC72345W
• Cycle time: 40 s (all 1-word instructions)
• Stack: 8 levels
• LCD driver: 48 to 76 segments (1/4 duty, 1/2 bias drive)
• Interrupts: One external interrupt Timer interrupts (1, 5, 10, and 50 ms)
• A/D converter: Two input channels (5-bit successive approximation conversion)
• Input ports: 6 ports (of which 2 can be switched for use as A/D converter inputs)
• Output ports: 6 ports (of which 1 can be switched for use as the beep tone output and 2 are opendrain ports)
• I/O ports: 16 ports (of which 8 can be switched for use as LCD ports as mask options)


Pinout

Connection Diagram


Specifications

Parameter Symbol Conditions Ratings Unit Unit
Maximum supply voltage VDD(2)max VDD 0.3 to +0.3 V
VDD(2)max VDC1 0.3 to +4.0 V
VDD(3)max VDC2 0.3 to +4.0 V
VDD(4)max VDC3 0.3 to +4.0 V
Input voltage VIN(1) PF, FMIN, AMIN, AIN, BATT, and BRES 0.3 to VDD(3) to +0.3 V
VIN(2) PA, PC, PD, PG, and PH 0.3 to VDD(1) to +0.3 V
Output voltage VOUT(1) AOUT, and PE 0.3 to +15 V
VOUT(2) PB, PC, PD, PG, and PH 0.3 to VDD(1) +0.3 V
VOUT(3) VREF, and EO 0.3 to VDD(3) +0.3 V
VOUT(4) COM1 to COM4, S1 to S19 0.3 to VDD(4) +0.3 V
Output current IOUT(1) PC, PD, PG, PH, and EO 0 to 3 mA
IOUT(2) PB 0 to1 mA
IOUT(3) AOUT, and PE 0 to2 mA
IOUT(4) S1 to S20 300 A
IOUT(5) COM1 to COM4 3 mA
Allowable power dissipation Pdmax Ta = 20 to +70°C 200 mW
Operating temperature Topr   20 to +70 °C
Storage temperature Tstg   45 to +125 °C



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