Description
CD4015 – Dual 4-Stage Shift Register IC
The CD4015 consists of two identical, independent, 4-stage serial-input/parallel-output registers. Each register has independent CLOCK and RESET inputs as well as a single serial DATA input. Q outputs are available from each of the four stages on both registers. All register stages are D-type, master-slave flip-flops. The logic level present at the DATA input is transferred into the first register stage and shifted over one stage at each positive-going clock transition. Resetting of all stages is accomplished by a high level on the reset line. Register expansion to 8 stages using one CD4015 package, or to more than 8 stages using additional CD4015s is possible.
The CD4015-series types are supplied in 16-lead hermetic dual-in-line ceramic packages (F3A suffix), 16-lead dual-in-line plastic package (E suffix), 16-lead small-outline packages (M, M96, MT, and NSR suffixes), and 16-lead thin shrink small-outline packages (PW and PWR suffixes).
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Pinout:
| Pin Name | Pin # | Type | Description |
|---|---|---|---|
| VDD | 16 | Power | Supply Voltage (+3 to +15V) |
| GND | 8 | Power | Ground (0V) |
| DA | 7 | Input | Data pin for register A |
| CLKA | 9 | Input | Clock pulse for register A |
| RSTA | 6 | Input | Reset pin for register A |
| QA0,QA1,QA2,QA3 | 5,4,3,10 | Output | 4-bit output for register A |
| DB | 15 | Input | Data pin for register B |
| CLKB | 1 | Input | Clock pulse for register B |
| RSTB | 14 | Input | Reset pin for register B |
| QB0,QB1,QB2,QB3 | 11,12,13, 2 | Output | 4-bit output for register B |
Applications:
- Serial-input/parallel-output data queueing
- Serial to parallel data conversion
- General-purpose register
Package Includes:
- 1 x IC – CD4015
Specifications:
| Part number | CD4015B |
| Technology Family | CD4000 |
| VCC (Min) (V) | 3 |
| VCC (Max) (V) | 18 |
| Voltage (Nom) (V) | 10 |
| F @ nom voltage (Max) (MHz) | 8 |
| ICC @ nom voltage (Max) (mA) | 0.3 |
| tpd @ nom Voltage (Max (ns) | 160 |
| IOL (Max) (mA) | 1.5 |
| IOH (Max) (mA) | -1.5 |
| 3-state output | No |
| Operating temperature range (C) | -55 to 125 |
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