CD4510 - An Up/Down Counter With Preset Function
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74LS193 Datasheet - National, Synchronous 4-Bit Up/Down Binary Counter ( Pinout )
4510 BCD Counter
SN74LS193 Datasheet - Synchronous 4-Bit Up/Down Binary Counter ( Pinout )
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CD4510 - An Up/Down Counter With Preset Function
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HD74LS192_191899.PDF Datasheet Download --- IC-ON-LINE
CD4029BMS - CMOS Presettable Up/Down Counter | Renesas
How to Build a 4516 Binary Up/Down Counter Circuit
74193 Counter Datasheet pdf - Binary Counter. Equivalent, Catalog
SN74LS193D datasheet - 4-Bit Binary Up/down Counter, Package: Soic, Pins=16
HD74LS193_44956.PDF Datasheet Download --- IC-ON-LINE
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CD4510 - An Up/Down Counter With Preset Function
74HC191 Datasheet PDF - Hitachi -> Renesas Electronics
Counters - Synchronous, Asynchronous, up, down & Johnson ring counters
CD4516 Binary Up Down Counter - Datasheet
ICM7217A 4-Digit, Presettable, LED Up/Down Counter | Maxim Integrated
