TC74HC697AP/AF is a high speed CMOS UP/DOWN counter produced by Toshiba. It has the characteristics of low power consumption and high speed.
The TC74HC697AP/AF is a high‑speed CMOS up/down counter using silicon‑gate CMOS8 technology. It features low power consumption, LSTTL‑compatible high‑speed operation, and selectable up or down counting via the UD input. The device includes load, clear, enable, and carry functions, and provides multiplexed three‑state outputs.
The document provides pin‑out diagrams, truth tables, electrical and timing specifications, package dimensions, and handling guidelines. Absolute maximum ratings, operating voltage ranges, temperature limits, and power dissipation values are listed for both DIP‑20 and SOP‑20 packages. This manual is written in Japanese.
| Supply Voltage (absolute max) | -0.5 V to 7 V |
|---|---|
| Supply Voltage (operating range) | 2 V to 6 V |
| Input Voltage (VIN) | -0.5 V to VCC + 0.5 V |
| Output Voltage (VOUT) | -0.5 V to VCC + 0.5 V |
| Input Protection Diode Current | ±20 mA |
| Output Parasitic Diode Current | ±20 mA |
| Output Current (ROD) | ±35 mA |
| Power Dissipation | 500 mW (DIP) / 180 mW (SOP) |
| Operating Temperature | -40 °C to 85 °C |
| Package Mass (standard) | 0.22 g |
The device operates with a supply voltage of 2 V to 6 V, while the absolute maximum rating is –0.5 V to 7 V.
Maximum power dissipation is 500 mW for the DIP‑20 package and 180 mW for the SOP‑20 package.
The IC is offered in DIP‑20 (2.54 mm pitch) and SOP‑20 (1.27 mm pitch) packages.
The device can operate from –40 °C to 85 °C.