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| Image | Part Number | Manufacturer | Description | Series | Operating Temperature | Packaging | Mounting Type | Voltage - Supply | Package / Case | Base Part Number | Supplier Device Package | Current - Output High, Low |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MC74HC161ADG | AMI Semiconductor / ON Semiconductor | IC COUNTER 4BIT PRESET 16SOIC | 74HC | -40°C ~ 85°C | Tube | Surface Mount | 2V ~ 6V | 16-SOIC (0.154", 3.90mm Width) | 74HC161 | 16-SOIC | - | |
| SY100EP32VKG-TR | Micrel / Microchip Technology | IC DIVIDER /2 5V/3.3V 8-MSOP | 100EP | -40°C ~ 85°C | Tape & Reel (TR) | Surface Mount | 3V ~ 5.5V | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 100EP32 | 8-MSOP | - | |
| SN74ALS561ADWR | N/A | IC COUNTER BIN 4BIT SYNCH 20SOIC | 74ALS | 0°C ~ 70°C | Tape & Reel (TR) | Surface Mount | 4.5V ~ 5.5V | 20-SOIC (0.295", 7.50mm Width) | 74ALS561 | 20-SOIC | - | |
| CD74HCT163M96E4 | N/A | IC SYNC COUNTER PRESET HS 16SOIC | 74HCT | -55°C ~ 125°C | Tape & Reel (TR) | Surface Mount | 4.5V ~ 5.5V | 16-SOIC (0.154", 3.90mm Width) | 74HCT163 | 16-SOIC | - | |
| HEF4521BP,652 | NXP Semiconductors / Freescale | IC FREQ DIVIDER 24STG 16DIP | 4000B | -40°C ~ 85°C | Tube | Through Hole | 3V ~ 15V | 16-DIP (0.300", 7.62mm) | 4521 | - | - | |
| SN74HC193QPWRG4Q1 | N/A | IC 4BIT SYNC UP/DN CONV 16-TSSOP | Automotive, AEC-Q100, 74HC | -40°C ~ 85°C | Tape & Reel (TR) | Surface Mount | 2V ~ 6V | 16-TSSOP (0.173", 4.40mm Width) | 74HC193 | 16-TSSOP | - | |
| 74HCT4040D,653 | Nexperia | IC 12STAGE BINARY RIPPLE 16SOIC | 74HCT | -40°C ~ 125°C | Tape & Reel (TR) | Surface Mount | 4.5V ~ 5.5V | 16-SOIC (0.154", 3.90mm Width) | 74HCT4040 | 16-SO | - | |
| MC74HC390ADR2G | AMI Semiconductor / ON Semiconductor | IC COUNTER DUAL 4STAGE 16SOIC | 74HC | -55°C ~ 125°C | Tape & Reel (TR) | Surface Mount | 2V ~ 6V | 16-SOIC (0.154", 3.90mm Width) | 74HC390 | 16-SOIC | - | |
| SN74ALS191ANSRE4 | N/A | IC COUNTER BIN 4BIT U/D 16SO | 74ALS | 0°C ~ 70°C | Tape & Reel (TR) | Surface Mount | 4.5V ~ 5.5V | 16-SOIC (0.209", 5.30mm Width) | 74ALS191 | 16-SO | - | |
| SN74F163AD | N/A | IC COUNTER 4BIT BIN SYNC 16-SOIC | 74F | 0°C ~ 70°C | Tube | Surface Mount | 4.5V ~ 5.5V | 16-SOIC (0.154", 3.90mm Width) | 74F163 | 16-SOIC | - |
Counters and dividers are sequential logic circuits used to generate repetitive timing signals, count events, or divide clock frequencies in digital systems. Counters increment or decrement a binary value based on clock pulses, producing a sequence of output states that represent specific counting patterns. Dividers divide the frequency of an input clock signal by a fixed or variable factor, generating output signals with reduced frequencies. Counters and dividers are essential components in timing and frequency generation applications, including clock distribution, event counting, frequency synthesis, and digital signal processing.