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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HEF4521BT,652 | Nexperia | IC FREQ DIVIDER 24STG 16-SOIC | 4000B | -40°C ~ 85°C | Tube | Surface Mount | 3V ~ 15V | 16-SOIC (0.154", 3.90mm Width) | 4521 | - | - | |
| CD74ACT163MG4 | N/A | IC 4BIT SYNC BIN COUNTER 16-SOIC | 74ACT | -55°C ~ 125°C | Tube | Surface Mount | 4.5V ~ 5.5V | 16-SOIC (0.154", 3.90mm Width) | 74ACT163 | 16-SOIC | - | |
| SN74LS390N | N/A | IC 4BIT DECADE/BIN COUNT 16-DIP | 74LS | 0°C ~ 70°C | Tube | Through Hole | 4.75V ~ 5.25V | 16-DIP (0.300", 7.62mm) | 74LS390 | 16-PDIP | - | |
| SN74HC393PWT | N/A | IC COUNTER DUAL 4BIT BIN 14TSSOP | 74HC | -40°C ~ 85°C | Tape & Reel (TR) | Surface Mount | 2V ~ 6V | 14-TSSOP (0.173", 4.40mm Width) | 74HC393 | 14-TSSOP | - | |
| MC74ACT161NG | AMI Semiconductor / ON Semiconductor | IC COUNTER SYNC BINARY 16-DIP | 74ACT | -40°C ~ 85°C | Tube | Through Hole | 4.5V ~ 5.5V | 16-DIP (0.300", 7.62mm) | 74ACT161 | 16-DIP | - | |
| MC14040BDTR2 | AMI Semiconductor / ON Semiconductor | IC COUNTER BINARY 12BIT 16-TSSOP | 4000B | -55°C ~ 125°C | Tape & Reel (TR) | Surface Mount | 3V ~ 18V | 16-TSSOP (0.173", 4.40mm Width) | 4040 | 16-TSSOP | - | |
| CD4018BNSR | N/A | IC DIV-BY-N COUNTR PRESET 16SO | 4000B | -55°C ~ 125°C | Original-Reel® | Surface Mount | 3V ~ 18V | 16-SOIC (0.209", 5.30mm Width) | 4018 | 16-SO | - | |
| CD4045BE | N/A | IC 21-STAGE COUNTER 16-DIP | 4000B | -55°C ~ 125°C | Tube | Through Hole | 3V ~ 18V | 16-DIP (0.300", 7.62mm) | 4045 | 16-PDIP | - | |
| 74HC4017D-Q100J | Nexperia | IC JOHNSON DECADE CNTR 16SOIC | 74HC | -40°C ~ 125°C | Tape & Reel (TR) | Surface Mount | 2V ~ 6V | 16-SOIC (0.154", 3.90mm Width) | 74HC4017 | 16-SO | - | |
| HEC4020BT,118 | Nexperia | IC COUNTER BINARY 14STAGE 16SOIC | 4000B | -40°C ~ 85°C | Tape & Reel (TR) | Surface Mount | 3V ~ 15V | 16-SOIC (0.154", 3.90mm Width) | 4020 | 16-SO | - |
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.