MH74188 IC

Description

MH74188 IC The MH74188 is a high-speed, bipolar, electrically programmable read-only memory (PROM). It is organized as 32 words of 8 bits each , providing a total capacity of 256 bits . This IC is designed for applications requiring fast access times and reliable permanent data storage, such as constant memories or logic circuit replacements. ✅Features Organization: 32 words × 8 bits. Output Type: Three-state (3-state) outputs, allowing for easy expansion and bus-oriented applications. Input Protection: All inputs are equipped with clamping diodes to minimize line reflections and protect the device. Technology: High-speed bipolar integration 📜📚Specifications Parameter Symbol Value / Range Unit Supply Voltage U CC 4.75 – 5.25 V Input Low Voltage U IL -0.5 – +0.8 V Input High Voltage U IH +2.0 – +5.5 V Output Low Current I OL max. 12 mA Output High Voltage U OH max. 5.5 V Access Time (Address) t AVQV ≤ 50 ns Enable Time (Selection) t SLQL ≤ 50 ns Operating Temperature ϑ a 0 – +70 °C ⚓Pin Configuration Pin No. Symbol Function Description 1 – 7 Q 1 – Q 7 Data Outputs (Bits 1-7) 8 GND Ground (Negative Supply) 9 Q 8 Data Output (Bit 8) 10 A 1 Address Input 1 11 A 2 Address Input 2 12 A 3 Address Input 3 13 A 4 Address Input 4 14 A 5 Address Input 5 15 S (V) Selection / Enable Input (Active Low) 16 V CC Supply Voltage (+5V) 💻Applications Constant Storage: Ideal for storing fixed data, lookup tables, and mathematical constants. Logic Function Generators: Can be programmed to replace complex combinational logic circuits. Address Decoding: Useful in microcomputer systems for memory mapping and peripheral selection. 🎁Package Content 1 x MH74188 IC 📖DataSheet MH74188

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