CD74HC373E Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
High-speed CMOS octal transparent latch with 3-state outputs, operating from 2 V to 6 V supply, featuring 8-bit bus driving at up to 25 MHz. From $0.30 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- CD74HC373E Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3450(MOQ 1)
- 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 CD74HC373E?
- 8-bit octal transparent latch with 3-state outputs for high-impedance bus isolation
- Wide supply voltage range of 2 V to 6 V compatible with TTL and CMOS logic levels
- High-speed operation up to 25 MHz with low quiescent current for power-sensitive designs
What is CD74HC373E used for?
The CD74HC373E is widely used in microprocessor address/data bus buffering and demultiplexing applications. Its 3-state outputs make it ideal for driving shared data buses in embedded systems, memory interfaces, and industrial control boards. It is also used in test equipment and communication systems requiring reliable 8-bit parallel data latching.
What are the specifications of CD74HC373E?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Control Type | ENABLE LOW/HIGH |
| Count Direction | UNIDIRECTIONAL |
| Family | HC/UH |
| JESD-30 Code | R-PDIP-T20 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS DRIVER |
| Max I(ol) | 0.0078A |
| Number of Bits | 8 |
| Number of Functions | 8 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP20,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 0.08mA |
| Prop. Delay@Nom-Sup | 45ns |
| Propagation Delay (tpd) | 265ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 4.5V |
| 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 | 8542.39.00.90 |
| Country of Origin | Malaysia |
Where can I find the CD74HC373E datasheet?
CD74HC373E Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74HC373E?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What supply voltage range does the CD74HC373E support, and how does this affect system compatibility?
The CD74HC373E operates from 2 V to 6 V, covering both 3.3 V and 5 V systems. This wide range allows direct interfacing with TTL and CMOS devices without level-shifting circuitry, saving board space and component count in mixed-voltage designs.
How many data bits can CD74HC373E latch simultaneously, and what is its output configuration?
The CD74HC373E latches 8 bits simultaneously using 8 transparent D-type latch stages, each with a 3-state output capable of sinking up to 7.8 mA. The 3-state outputs allow multiple devices to share a common bus without signal contention.
Which embedded system bus architectures benefit most from using the CD74HC373E as a buffer?
Designs with multiplexed address/data buses, such as 8051-family microcontrollers operating at 3.3 V or 5 V, benefit most. The CD74HC373E can demultiplex the 8-bit bus at up to 25 MHz clock frequencies, reducing processor load and improving signal integrity across 50 pF load capacitance.
When would a designer choose CD74HC373E over CD74HC374E in a digital logic design?
The CD74HC373E uses a level-sensitive (transparent) latch enable, while the CD74HC374E uses a rising-edge-triggered D flip-flop. Choose CD74HC373E when data must be captured during a specific voltage level window rather than on a clock edge, common in 8-bit microprocessor bus demultiplexing with ALE signals.
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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 |
|---|---|---|
| 1+ | $0.6900 | $0.69 |
| 8+ | $0.5750 | $4.60 |
| 36+ | $0.4600 | $16.56 |
| 105+ | $0.3450 | $36.22 |
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