CD4026B Decade Counter with 7-Segment Output
5-stage Johnson decade counter and an output decoder that converts Johnson code to 7-segment decoded outputs (a through g) capable of driving common-cathode numeric LED displays directly without external decoders.
Aliase:CD4026, CD4026BE, HCF4026B, 7-Segment Counter, Decade Counter
DIP-16 Top View
16 Pins
Pinout Table16
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | CLK | Digital | Clock Input (Increments on Low-to-High Edge) |
| 2 | CLK_INH | Digital | Clock Inhibit (High disables counting) |
| 3 | DE_IN | Digital | Display Enable Input (High enables outputs a-g) |
| 4 | DE_OUT | Digital | Display Enable Output |
| 5 | CO | Digital | Carry Out (Divide-by-10 output for cascading) |
| 6 | OUT_F | Digital | 7-Segment Output Segment F |
| 7 | OUT_G | Digital | 7-Segment Output Segment G |
| 8 | VSS | Ground | Ground Connection (0V) |
| 9 | OUT_D | Digital | 7-Segment Output Segment D |
| 10 | OUT_A | Digital | 7-Segment Output Segment A |
| 11 | OUT_E | Digital | 7-Segment Output Segment E |
| 12 | OUT_B | Digital | 7-Segment Output Segment B |
| 13 | OUT_C | Digital | 7-Segment Output Segment C |
| 14 | UNGATED_C | Digital | Ungated Segment C Output |
| 15 | RESET | Digital | Asynchronous Master Reset (High resets count to 0) |
| 16 | VDD | Power | Positive Power Supply (+3V to +18V) |