CD4022BPWE4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The CD4022BPWE4 is a CMOS Johnson counter with 8 decoded outputs and a maximum clock frequency of 2.5 MHz, operating from 3V to 15V supply. It features carry-out and clock-enable inputs for cascading, housed in a 16-pin TSSOP package compatible with the 4000-series logic family.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- CD4022BPWE4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8 decoded Johnson counter outputs provide glitch-free sequential pulses at up to 2.5 MHz, eliminating external decoder logic in sequential timing circuits
- Wide 3V to 15V operating voltage range enables direct use with 5V TTL, 3.3V CMOS, and 12V industrial logic systems without level translation
- Carry-out output and clock-enable input allow cascading multiple CD4022B devices to extend sequencing to 16, 24, or more steps without additional ICs
Applications
The CD4022BPWE4 is used in sequential LED display drivers, time-multiplexed sensor polling circuits, and step-motor sequencers where 8 glitch-free decoded outputs are needed at clock rates up to 2.5 MHz. Its wide supply voltage range of 3V to 15V makes it compatible with both legacy 5V systems and modern 3.3V microcontroller interfaces without level shifting. The TSSOP-16 package and 4000-series family compatibility allow direct replacement of older PDIP CD4022 parts in board redesigns requiring smaller footprints.
Specifications
| YTEOL | 0 |
| Additional Feature | JOHNSON COUNTER WITH 8 DECODED OUTPUTS |
| Count Direction | UP |
| Family | 4000/14000/40000 |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Load/Preset Input | YES |
| Logic IC Type | RING COUNTER |
| Max Frequency@Nom-Sup | 2500000Hz |
| Max I(ol) | 0.004200000000000001A |
| Mode of Operation | SYNCHRONOUS |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Prop. Delay@Nom-Sup | 650ns |
| Propagation Delay (tpd) | 650ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 18V |
| Supply Voltage-Min (Vsup) | 3V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 5.5MHz |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for CD4022BPWE4:
Counter, 4000/14000/40000 Series, Synchronous, Positive Edge Triggered, 8-Bit, Up Direction, CMOS, PDSO16
Counter, 4000/14000/40000 Series, Synchronous, Positive Edge Triggered, 8-Bit, Up Direction, CMOS, PDSO16
Counter, 4000/14000/40000 Series, Synchronous, Positive Edge Triggered, 8-Bit, Up Direction, CMOS, PDSO16
Frequently Asked Questions
How many decoded outputs does CD4022BPWE4 provide, and at what maximum clock frequency do they operate?
The CD4022BPWE4 provides 8 decoded Johnson counter outputs, each active high for one full clock period in sequence. At a 5V supply with 50 pF load capacitance, the maximum clock frequency is 2.5 MHz, allowing sequential output cycling at up to 312 kHz per output step. This is sufficient for multiplexed display scanning at 100 Hz refresh rate with up to 8 digits or segments.
How can multiple CD4022BPWE4 devices be cascaded to create a 16-step sequencer?
To create a 16-step sequencer, connect the CARRY OUT pin of the first CD4022BPWE4 to the CLOCK ENABLE input of a second device, and tie both CLK inputs to the same clock signal. The first device sequences through 8 steps while its carry output enables the second device to advance on the 9th through 16th clock pulses, providing 16 sequential decoded outputs across 2x 16-pin TSSOP packages without any additional logic gates.
What supply voltage range does CD4022BPWE4 support, and is it compatible with 3.3V microcontroller logic levels?
The CD4022BPWE4 operates from 3V to 15V supply. At a 3.3V supply, the input logic thresholds are approximately 1.0V (low) and 2.3V (high), making it directly compatible with 3.3V CMOS microcontroller outputs such as those from STM32 or nRF52 families. The output voltage swings rail-to-rail, so 3.3V outputs can drive subsequent CMOS logic without current-limiting resistors at loads below 1 mA.
When should a designer choose CD4022BPWE4 over a decade counter CD4017B for an 8-step sequential timer?
A designer should choose CD4022BPWE4 over CD4017B when exactly 8 sequential steps are needed without a reset network, since the CD4022B completes an 8-step cycle natively and automatically resets on step 9. The CD4017B counts to 10 and requires an external gate on the carry output to reset at step 8, adding 1 to 2 components. Both operate up to 2.5 MHz at 5V, but the CD4022B reduces BOM complexity for octal sequencing applications.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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