74xx Series ICs
7490 Decade Counter IC 4 Bit BCD Counter IC
Product details
- Product type: Binary Decade Counter IC
- IC number: 7490
- Technology: CMOS
- Logic family: 74 series
- Number of pins: 14
- Pin type: through hole
- Package: PDIP-14 tube type
- Package contains: 1 x 7490 IC
₹49.00 (ex. GST)
- Description
- Reviews
7490 is a Binary coded decimal counter and counts up to ten digits. Being binary counter it counts in binary digit like 0000, 0001, etc. The IC contains 4 master-slave flip-flops and some gating circuits to provide a divide-by-two counter and three-stage binary counter for which counter is divided by 5. The counter circuit gets reset for every new clock
Specification
- Voltage supply: 4.5-5.5V
- Typical voltage supply: 5V
- Maximum clock frequency: 30MHz
- High-level output current: -800碌A
- Low-level output current: 16mA
- High-level input voltage: 2V
- Low-level input voltage: 0.8V
- Current rating: 5.2mA
- Propagation delay: 18ns
- High speed
- Low power consumption
- TTL compatible
- High noise immunity
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