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Description: 1. The 7448 IC is an octal (eight-input) binary counter integrated circuit from the 74xx series by Texas Instruments. 2. Features: It counts binary numbers up to 255, providing eight Q outputs (Quotient) and four carry-out (Cout) outputs. 3. Application: This IC is commonly used in digital systems, such as divide-by-n counters, shift registers, and decoders. 4. Clock Input: The 7448 counter operates on a single active-high clock pulse input, which causes the counter to increment by one count during each clock cycle. 5. Enable Input: An enable input (EN) can be used to stop or start the counting operation based on this external signal. 6. Synchronous and Asynchronous Operation: It supports both synchronous and asynchronous operation, allowing flexibility in design and system compatibility. 7. Reset Input: The counter has a reset input (R/S) which can be used to set the counter to its initial state, counting from zero again. 8. Useful for Synchronizing Pulses: In applications suc
| Specification | Details |
|---|---|
| IC Type | Hex Inverting Schmitt Trigger |
| Number of Inputs | 4 |
| Output Type | Open Collector |
| Voltage Range | ±15V ±18V ±5.2V to ±12V (dual supply) |
| Current Range | ±100mA (max) ±50mA (typical) |
| Propagation Delay | 22ns (max) 10ns (typical) |
| Power Dissipation | 300mW (max) 120mW (typical) |
| Supply Voltage | +15V +18V ±5.2V to ±12V (dual supply) |
| Package Type | DIP-14 (0.3") |
| Temperature Range | -55°C to 125°C |
