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LC72321
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Suppliers
DataSheet
General Description
LC72321 Maximum Ratings
| 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 |
LC72321 Features
• Serial I/O
• Built-in timer interrupts: 80 s, 1 ms, 2 ms and 5 ms
• Stack: Eight levels
• Beep control: Six beep tones (2.08, 2.25, 2.5, 3.0, 3.75, and 4.17 kHz)
• 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): 16 bits ´ 4095
• Data memory (RAM): 4 bits ´ 256
• 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)
LC72321
PDF/DataSheet Download
- Datasheet: LC72321
- File Size: 240397 KB
- Manufacturer: SANYO [Sanyo Semicon Device]
- Click here to Download
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