HEF4522 series datasheets. Manufacturer: Philips Semiconductors.

HEF4522BD Programmable 4-bit BCD down counter in 16-pin DIL package. Datasheet*) HEF4522BP Programmable 4-bit BCD down counter in 16-pin DIL package. Datasheet*) HEF4522BT Programmable 4-bit BCD down counter in 16-pin SO package. Datasheet*) HEF4522 Programmable 4-bit BCD down counter Datasheet*) HEF4522B Programmable 4-bit BCD down counter Datasheet*) HEF4522BF Programmable 4-bit BCD down counter Datasheet*) HEF4522BN Programmable 4-bit BCD down counter Datasheet*)

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