74LS569 Counter SYNCH 4-Bit U/D 5V IC DIP-20
The 74LS569 is a synchronous 4-bit up/down counter IC used to count digital pulses in either direction for timing, counting, and digital control applications.
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74LS569 Counter SYNCH 4-Bit U/D 5V IC DIP-20
The 74LS569 belongs to the 74LS family of TTL logic devices and is intended for digital counting applications that require a 4-bit binary count sequence. A synchronous counter updates its internal state in response to the active clock transition, allowing coordinated counting across its output bits.
The up/down counting function allows the count to increase or decrease according to the control input. This makes the device useful in event counters, digital control systems, position-counting circuits, and other logic designs that need reversible counting. The specified DIP-20 package supports through-hole mounting and circuit prototyping.
Features:
- Synchronous 4-bit binary counting.
- Supports both up-counting and down-counting.
- Parallel data loading.
- Clock-controlled counting operation.
- Clear and reset control functions.
- Count enable inputs for controlling counter operation.
- Carry outputs for cascading multiple counters.
- Three-state outputs for bus interfacing.
- TTL-compatible logic.
- Suitable for digital counting and control circuits.
Specifications:
| Parameter | Specification |
|---|---|
| IC Number | 74LS569 / 74LS569A family |
| IC Type | Synchronous 4-Bit Up/Down Binary Counter |
| Logic Family | 74LS TTL |
| Number of Bits | 4 |
| Counting Direction | Up and Down |
| Count Range | 0 to 15 |
| Clock Trigger | Positive-going clock edge |
| Parallel Data Inputs | 4 |
| Output Type | 3-state (tri-state) |
| Reset Functions | Asynchronous clear and synchronous clear |
| Load Function | Parallel load |
| Supply Voltage | 4.75V to 5.25V for commercial 74LS devices |
| Nominal Supply Voltage | 5V |
| Maximum Count Frequency | Approximately 35MHz under specified test conditions |
| Package Type | DIP-20 |
| Mounting Type | Through-hole |
| Operating Temperature | 0°C to 70°C for commercial devices |
Pinout:
Applications:
- Digital up/down counting circuits.
- Programmable event counters.
- Position and pulse counting.
- Frequency division and timing circuits.
- Digital control systems.
- Cascaded multi-bit counters.
- Bus-oriented digital systems.
- Arithmetic and logic experiments.
Package Includes:
- 1 × 74LS569 Counter SYNCH 4-Bit U/D 5V IC DIP-20.
Documents:
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