DL257D IC Quad 2-input multiplexer DIP-16

Description

DL257D IC Quad 2-input multiplexer DIP-16 The DL257D is a TTL-based Quad 2-Input Data Selector/Multiplexer integrated circuit designed for digital signal routing, data selection, embedded systems, automation electronics, and logic control applications. The IC contains four independent 2-input multiplexers with common select and enable control lines inside a standard DIP16 through-hole package, making it suitable for breadboard prototyping, industrial electronics, educational projects, and PCB development. Features: Four independent 2-input multiplexers. Compatible with 74257 and SN74LS257 IC families. Common select input control. 3-state output configuration. TTL Low-Power Schottky technology. Standard DIP16 through-hole package. Specifications: Parameter Value Model DL257D. Equivalent IC 74257 / 74LS257 / SN74LS257. Technology TTL Low-Power Schottky (LS). Operating Voltage (VCC) 5VDC (4.75V to 5.25V). High‑Level Input Voltage (VIH) Min 2.0V. Low‑Level Input Voltage (VIL) Max 0.8V. High‑Level Output Voltage (VOH) Min 2.7V (at IOH = -400µA). Low‑Level Output Voltage (VOL) Max 0.5V (at IOL = 8mA). High‑Level Output Current (IOH) -400µA. Low‑Level Output Current (IOL) 8mA. Propagation Delay (A, B → Y) tPLH 8ns typ, 21ns max. Propagation Delay (A, B → Y) tPHL 11ns typ, 21ns max. Propagation Delay (S → Y) tPLH 20ns typ, 32ns max. Propagation Delay (S → Y) tPHL 18ns typ, 25ns max. Output Enable Time (OE → Y) tPZL 13.5ns typ, 30ns max. Output Enable Time (OE → Y) tPZH 10.5ns typ, 25ns max. Output Disable Time (OE → Y) tPLZ 13ns typ, 30ns max. Output Disable Time (OE → Y) tPHZ 8.5ns typ, 26ns max. Input Clamp Voltage (VIK) 0.9V typ, 1.5V max. Short‑Circuit Current (IOS) 20mA min, 100mA max. Operating Temperature 0°C to +70°C. Package Type DIP-16. Pin Configuration: Pin Number Pin Name Function/Description 1 S (Select) Common Select Input for all channels (LOW = select A, HIGH = select B). 2 A1 Data Input A for Multiplexer 1. 3 B1 Data Input B for Multiplexer 1. 4 Y1 3‑State Output for Multiplexer 1. 5 A2 Data Input A for Multiplexer 2. 6 B2 Data Input B for Multiplexer 2. 7 Y2 3‑State Output for Multiplexer 2. 8 GND Ground (0V). 9 Y3 3‑State Output for Multiplexer 3. 10 B3 Data Input B for Multiplexer 3. 11 A3 Data Input A for Multiplexer 3. 12 Y4 3‑State Output for Multiplexer 4. 13 B4 Data Input B for Multiplexer 4. 14 A4 Data Input A for Multiplexer 4. 15 OE (Output Enable) Common Output Enable Input (Active LOW). 16 VCC Power Supply (+5V). Applications: Digital data routing systems. Bus-oriented electronic systems. Embedded logic control circuits. Microprocessor interfacing. Digital signal switching. Educational electronics projects. Breadboard prototyping. Industrial automation electronics. Data communication systems. Sequential logic circuits. Package Include: 1x DL257D IC Quad 2-input multiplexer DIP-16 Documents: DL257D DL257D Translated 74257

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