56 Pin Micro IC Base
74LS393 Dual 4-Bit Binary Counter IC
- Dual 4-Bit Binary Counter
- High-level output voltage:Â 3.4V
- Low-level output voltage:Â 0.5V
- High-level output current:Â -0.4mA
- Low-level output current:Â 8mA
- Input clamp voltage:Â -1.5V
- Maximum clock frequency:Â 20MHz
- Propagation delay time max:Â 87ns
- Supply voltage range:Â 4.75 to 5.25V
- Package:Â DIP-14
74LS196 Presettable Decade Counter IC
- Presettable Decade Counter
- High-level input current:Â 0.4mA
- Power Supply Current:Â 20mA
- Clock frequency:Â 45MHz
- Propagation delay time max:Â 55ns
- Supply voltage range:Â 4.75 to 5.25V
- Package:Â DIP-14
- Low Power Consumption: Typically 80 mW
- High Counting Rates: Typically 70 MHz
- Choice of Counting Modes: BCD, Bi-Quinary, Binary
- Asynchronous Presettable
- Asynchronous Master Reset
- Â Easy Multistage Cascading
- Input Clamp Diodes Limit High Speed Termination Effects
74LS90 Decade Counter IC
54 Pin Micro IC Base
74LS293 4-Bit Binary Counter IC
52 Pin Micro IC Base
74LS290 4-Bit Binary Counter IC
- Decade Counter; 4-bit Binary Counter
- High-level input voltage:Â 2V
- Low-level input voltage:Â 0.8V
- High-level output current:Â -0.4mA
- Low-level output current:Â 8mA
- Input clamp voltage:Â -1.5V
- Maximum clock frequency:Â 32MHz
- Propagation delay time max:Â 18ns
- Power Consumption:Â 45mW
- Supply voltage range:Â 4.75 to 5.25V
- Package:Â DIP-14
48 Pin Micro IC Base
74LS193 Synchronous 4-Bit Up Down Counter IC
- Synchronous 4-Bit Up/Down Counter
- High-level input voltage:Â 2V
- Low-level input voltage:Â 0.8V
- High-level output current: -400µA
- Low-level output current:Â 8mA
- Input clamp voltage:Â -1.5V
- Maximum clock frequency:Â 25MHz
- Propagation delay time max:Â 47ns
- Supply voltage range:Â 4.75 to 5.25V
- Package:Â DIP-16
74197N 50MHz Presettable Decade or Binary Counter IC
- 50MHz Presettable Decade or Binary Counter
- High-level output voltage:Â 3.4V
- Low-level output voltage:Â 0.2V
- High-level output current: -800µA
- Low-level output current:Â 16mA
- Input clamp voltage:Â -1.5V
- Maximum clock frequency:Â 50MHz
- Propagation delay time max:Â 63ns
- Supply voltage range:Â 4.75 to 5.25V
- Package:Â DIP-14