| | Fairchild Semiconductor | IC COUNTER BINARY SYNC 16TSSOP | 9900 | | | |
| | Fairchild Semiconductor | IC COUNTER BINARY SYNC 16TSSOP | 9900 | | | |
| | STMicroelectronics | IC COUNTER 4-BIT SYNC 16-SOIC | 9900 | | | |
| | Fairchild Semiconductor | IC COUNTER SYNC PRE 4BIT 16-DIP | 9900 | | | |
| | Fairchild Semiconductor | IC COUNTER SYNC PRE 4BIT 16-SOIC | 9900 | | | |
| | Fairchild Semiconductor | IC COUNTER BINARY SYNC 16SOIC | 9900 | | | |
| | Fairchild Semiconductor | IC COUNTER BINARY SYNC 16SOP | 9900 | | | |
| | Fairchild Semiconductor | IC COUNTER BINARY SYNC 16SOP | 9900 | | | |
| | STMicroelectronics | IC COUNTER SYNC PRE 4BIT 16TSSOP | 9900 | | | |
| | STMicroelectronics | IC COUNTER SYNC PRE 4BIT 16TSSOP | 9900 | | | |
| | Fairchild Semiconductor | IC COUNTER BINARY SYNC 16TSSOP | 9900 | | | |
| | Fairchild Semiconductor | IC COUNTER BINARY SYNC 16TSSOP | 9900 | | | |
| | Fairchild Semiconductor | IC COUNTER BIN SYNC 4BIT 16-DIP | 9900 | | | |
| | Fairchild Semiconductor | IC COUNTER SYN PRESET BIN 16SOIC | 9900 | | | |
| | Fairchild Semiconductor | IC COUNTER BINARY SYNC 16SOIC | 9900 | | | |
| | Fairchild Semiconductor | IC COUNTER BINARY SYNC 16SOP | 9900 | | | |
| | Fairchild Semiconductor | IC COUNTER BINARY SYNC 16SOP | 9900 | | | |
| | STMicroelectronics | IC COUNTER 4-BIT SYNC 16-TSSOP | 9900 | | | |
| | STMicroelectronics | IC COUNTER 4-BIT SYNC 16-TSSOP | 9900 | | | |
| | STMicroelectronics | IC COUNTER 4-BIT SYNC 16-TSSOP | 9900 | | | |