 | SN74ALS869NT | Texas Instruments | 8-Bit Synchronous Up/Down Counter, 35MHz, PDIP |
 | SN74LV161APW | Texas Instruments | 4-Bit Synchronous Counter, 220MHz, 5.5V, TSSOP |
 | CD4045BE | Texas Instruments | CMOS 21-Stage Counter, Negative Edge, 30MHz, 18V, PDIP |
 | SN74LS590D | Texas Instruments | 8-Bit Up Counter, 3-State Output, 35MHz, 5V, SOIC |
 | CD74HC4017MT | Texas Instruments | CMOS Decade Counter/Divider, 60MHz, 10-Bit, SOIC, Pos Edge |
 | CD4536BEE4 | Texas Instruments | CMOS Programmable Timer, 4-Bit, 5MHz, 18V, PDIP |
 | SN74HC4020PWT | Texas Instruments | 14-Bit Asynchronous CMOS Counter, 53MHz, -40 to 85°C, TSSOP |
 | SN74ALS169BN | Texas Instruments | 4-Bit Sync Up/Down Counter, 40MHz, 5V, PDIP |
 | SN74ALS161BD | Texas Instruments | 4-Bit Synchronous Binary Counter, 40MHz, 5V, SOIC |
 | MC14526BCPG | Onsemi | 4-Bit Down Counter IC, CMOS, 6.6MHz, 3-18V, PDIP |
 | CD74HC190E | Texas Instruments | 4-Bit Synchronous BCD Up/Down Counter, CMOS, 35MHz, PDIP |
 | SN74HC163NSR | Texas Instruments | 4-Bit Synchronous Binary Counter, 44MHz, SOIC, 2V-6V |
 | CD4520BEE4 | Texas Instruments | CMOS Dual 4-Bit Up-Counter IC, 8MHz, 18V, PDIP |
| CD74HCT161M | Texas Instruments | 4-Bit CMOS Counter, Negative Edge, 30MHz, 5V, SOIC |
 | SN74HC191N | Texas Instruments | 4-Bit Sync Up/Down Counter, CMOS, PDIP |
 | MC74AC4040DR2G | Onsemi | 12-Bit CMOS Ripple Counter, 140MHz, SOIC, Neg Edge |
 | CD74HC40103M | Texas Instruments | 8-Bit Synchronous Down Counter, 25MHz, CMOS, SOIC |
 | SN74HC4040NE4 | Texas Instruments | 12-Bit Asynchronous Counter, 53MHz, 2-6V, -40 to 85°C, PDIP |
 | HEF4526BP,652 | NXP | 4-Bit Binary Down Counter IC, CMOS, 32MHz, PDIP |
| SN74ALS191AN | Texas Instruments | 4-Bit Sync Up/Down Counter, 30MHz, 5V, PDIP |
