DM8556 Datasheet TRI-STATE Programmable Binary Counters

Manufacturer: National Semiconductor (now Texas Instruments)

Datasheet Details

Part number	DM8556
Manufacturer	National Semiconductor (now Texas Instruments)
File Size	155.41 KB
Description	TRI-STATE Programmable Binary Counters
Download	DM8556 Download (PDF)

These circuits are synchronous edge-sensitive fully-programmable 4-bit counters The counters

DM7556 DM8556 TRI-STATE Programmable Binary Counters August 1989 DM7556 DM8556 TRI-STATE Programmable Binary.

Y Y Y Y Y Typical clock frequency 35 MHz TRI-STATE outputs Fully independent clear Synchronous loading Cascading circuitry provided internally Connection Diagram Dual-In-Line Package TL F 6588.
1 Order Number DM7556J or DM8556N See NS Package Number J16A or N16A Function Table Control Inputs LOAD H H H H L H H CE X X X X H L L CLK X X L L OD L H L H L L H Reset H H L L L L L I OA L Z QA0 Z a Z I O Ports I OB I OC I OD L Z QD0 Z d Z QA L L QA0 QA0 A Active Outputs QB QC QD L L QD0 Q.

Part Number	Description
DM8553	8-Bit Latches
DM8511	(DM851x / DM8613) Dual / Quad Gated Flip-Flop
DM8512	(DM851x / DM8613) Dual / Quad Gated Flip-Flop
DM8544	Quad Switch Debouncers
DM85L11	(DM851x / DM8613) Dual / Quad Gated Flip-Flop
DM85L12	(DM851x / DM8613) Dual / Quad Gated Flip-Flop
DM85S06	(DM85S06 / DM85S07) High Speed TRI-STATE Non Inverting 64-Bit RAM
DM85S07	(DM85S06 / DM85S07) High Speed TRI-STATE Non Inverting 64-Bit RAM
DM85S07A	(DM85S06 / DM85S07) High Speed TRI-STATE Non Inverting 64-Bit RAM
DM85S50	6-Bit Shift Registers