DL193D Dual 2 to 4 Line Decoder/Demultiplexer DIP-16

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DL193D Dual 2 to 4 Line Decoder/ Demultiplexer DIP-16 The DL193D is a TTL-based synchronous 4-bit up/down binary counter integrated circuit designed for digital counting systems, timing applications, embedded electronics, industrial automation, and educational projects. The IC is housed in a standard DIP16 through-hole package, allowing easy integration into breadboards, prototyping circuits, and PCB designs. Features: Synchronous 4-bit binary up/down counter. Compatible with 74193 and SN74LS193 IC families. Separate UP and DOWN clock inputs. Asynchronous reset input. Parallel load capability. TTL Low-Power Schottky technology. Standard DIP16 through-hole package. Specifications: Parameter Value Model DL193D. Equivalent IC 74193 / SN74LS193. 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 Current (IOH) -400µA. Low-Level Output Current (IOL) 8mA. High-Level Output Voltage (VOH) Min 2.7V. Low-Level Output Voltage (VOL) Max 0.5V. Clock Frequency 40 MHz Max. UP → CO tPLH 13ns (Typ), 26ns (Max). DOWN → BO tPLH 13ns (Typ), 24ns (Max). CLR → Q tPHL 28ns (Typ), 35ns (Max). Operating Temperature 0°C to +70°C. Package Type DIP-16. Pin Configuration: in Number Pin Name Function/Description 1 B Data Input for Presetting Bit B. 2 QB True Output for Bit B. 3 QA True Output for Bit A (Least Significant Bit). 4 DOWN Count Down Clock Input (Active on Positive Edge). 5 UP Count Up Clock Input (Active on Positive Edge). 6 QC True Output for Bit C. 7 QD True Output for Bit D (Most Significant Bit). 8 GND Ground (0V). 9 D Data Input for Presetting Bit D (MSB). 10 C Data Input for Presetting Bit C. 11 LOAD Parallel Load Input (Active LOW). 12 CO Carry Output (Active LOW). 13 BO Borrow Output (Active LOW). 14 CLR Master Asynchronous Clear Input (Active HIGH). 15 A Data Input for Presetting Bit A (LSB). 16 VCC Power Supply (+5V). Applications: Digital counting systems. Frequency divider circuits. Embedded electronic systems. Industrial automation electronics. Event counting applications. Digital timing systems. Educational electronics projects. Breadboard prototyping. LED and display counters. Sequential logic systems. Package Include: 1x DL193D Synchronous 4-Bit Up/Down Binary Counter IC DIP16. Documents: DL193D Translated DL193D 74193