CD74HC237EE4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
Texas Instruments CD74HC237EE4 is a high-speed CMOS 1-of-8 inverting decoder/demultiplexer with latched inputs, operating from 2V to 6V, featuring 3-to-8 line decoding with 5.2mA output drive in a 16-pin PDIP package. Available in stock worldwide.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- CD74HC237EE4 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5550(MOQ 250)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of CD74HC237EE4?
- 1-of-8 inverting decoder with latched address inputs, enabling glitch-free address decoding without external hold circuits in embedded memory-mapped systems
- Wide 2V to 6V supply range with 50pF load capacitance rating and 5.2mA output sink current, ensuring reliable line drive across 3.3V and 5V digital logic families
- 16-pin PDIP through-hole package ideal for prototyping and industrial applications requiring robust mechanical PCB connections with easy hand-soldering
What is CD74HC237EE4 used for?
The CD74HC237EE4 is widely used for address decoding in microprocessor and microcontroller systems where up to 8 peripheral devices or memory banks must be selectively enabled from a 3-bit address bus. Its latched inputs make it especially valuable in bus-multiplexed architectures where address signals are time-shared with data lines. Additional applications include channel selection in industrial data acquisition systems and I/O port expansion in embedded control designs operating at 2V to 6V.
What are the specifications of CD74HC237EE4?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Family | HC/UH |
| Input Conditioning | LATCHED |
| JESD-30 Code | R-PDIP-T16 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | 3-LINE TO 8-LINE DECODER |
| Max I(ol) | 0.0052A |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 0.16mA |
| Prop. Delay@Nom-Sup | 36ns |
| Propagation Delay (tpd) | 240ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia, Mexico |
Where can I find the CD74HC237EE4 datasheet?
CD74HC237EE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74HC237EE4?
Compatible alternatives and drop-in replacements for CD74HC237EE4:
Frequently Asked Questions
What makes the latched address inputs of CD74HC237EE4 useful in multiplexed bus designs?
The CD74HC237EE4 incorporates 3 latched address inputs (A0–A2), allowing the 3-bit address to be captured and held stable while the bus transitions to data phase. This eliminates the need for external address-hold latches in 8051-style multiplexed bus systems, reducing component count and maintaining glitch-free 1-of-8 decoded output selection across all 50pF load capacitance conditions.
How does CD74HC237EE4 compare to CD74HC138 for memory chip-select applications?
Unlike the CD74HC138, which requires external latching for multiplexed buses, the CD74HC237EE4 integrates address latches directly, saving board space and simplifying timing closure. Both decode 3 inputs to 8 active-low outputs with similar 5V propagation delays near 12 ns, but CD74HC237EE4 reduces external component count by 1 latch IC in address-multiplexed 8-bit microprocessor designs.
What output drive capability does CD74HC237EE4 provide for driving multiple loads?
The CD74HC237EE4 provides 5.2mA sink current (I_OL max) per output at 5V supply, sufficient to directly drive CMOS chip-enable inputs or standard TTL-compatible loads. With 50pF capacitive load rating, it supports fan-out to multiple logic gates without adding buffers, making it practical for 8-channel peripheral selection networks in industrial automation and embedded processor boards.
Which package option is CD74HC237EE4 and what are its dimensional advantages for prototyping?
CD74HC237EE4 comes in a 16-pin PDIP package with 2.54mm pin pitch, a through-hole format well suited for breadboard prototyping and hand-soldered industrial PCBs. The DIP body measures approximately 19.56mm x 6.35mm, fitting standard 0.6-inch IC sockets. For high-volume SMT production, the surface-mount CD74HC237M variant in SOIC-16 is available as a footprint-compatible alternative with reduced board area.
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Why Buy from FindMyChip
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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250+ | $0.7400 | $185.00 |
| 500+ | $0.7100 | $355.00 |
| 1000+ | $0.5550 | $555.00 |
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