CD74HC245M96 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The CD74HC245M96 is a high-speed CMOS octal bidirectional bus transceiver with 3-state outputs from Texas Instruments HC family, featuring direction control for flexible bus interface applications. Packaged in a 20-pin SOIC operating from 2V to 6V with 50pF load capacitance. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- CD74HC245M96 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2608(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 CD74HC245M96?
- Bidirectional 8-bit bus transceiver with direction control pin for flexible A-to-B or B-to-A data flow in shared bus architectures
- 3-state outputs with active-low output enable for bus sharing among multiple devices without signal contention
- HC family 2V to 6V supply range with CMOS-compatible inputs delivering high-speed switching for modern 3.3V and 5V systems
- 20-pin SOIC M96 package in tape-and-reel format optimized for high-volume automated surface-mount assembly
What is CD74HC245M96 used for?
The CD74HC245M96 is used extensively in microprocessor bus interfacing, memory systems, and peripheral data transceivers where bidirectional data flow between two buses must be controlled. Its direction pin enables the device to act as an isolator between a local bus and a system bus, allowing data to flow either from the processor to peripherals or from peripherals back to the processor under software control. Common applications include CPU memory bus buffers, I/O expanders, backplane transceivers, and level-shifting interfaces between different logic sections of embedded systems.
What are the specifications of CD74HC245M96?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | WITH DIRECTION CONTROL |
| Control Type | COMMON CONTROL |
| Count Direction | BIDIRECTIONAL |
| Family | HC/UH |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS TRANSCEIVER |
| 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 | SOP20,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.16mA |
| Prop. Delay@Nom-Sup | 24ns |
| Propagation Delay (tpd) | 165ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 4.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Where can I find the CD74HC245M96 datasheet?
CD74HC245M96 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74HC245M96?
Compatible alternatives and drop-in replacements for CD74HC245M96:
Frequently Asked Questions
How does the direction control work on the CD74HC245M96?
The CD74HC245M96 has a direction control pin (DIR) that determines data flow. When DIR is high, data propagates from the A bus to the B bus. When DIR is low, data flows from the B bus to the A bus. An active-low output enable (OE) pin controls whether the outputs are active or in high-impedance 3-state mode, allowing the device to be disconnected from the bus when not needed.
What is the operating voltage range of the CD74HC245M96?
The CD74HC245M96 operates from a supply voltage (VCC) of 2V to 6V, covering 3.3V and 5V logic systems. The HC family uses CMOS-compatible input thresholds referenced to VCC, with VIH minimum at 70% VCC and VIL maximum at 30% VCC. At 5V, typical propagation delay is approximately 7-10ns, and output drive current is typically 4mA to 6mA depending on operating conditions.
What does the M96 suffix mean in CD74HC245M96?
The M suffix indicates a 20-pin SOIC (Small Outline Integrated Circuit) package, and 96 denotes tape-and-reel packaging with 2500 pieces per reel. This format is designed for high-volume automated surface-mount assembly using pick-and-place machines. The SOIC package has 1.27mm lead pitch and is compatible with standard SOIC PCB footprints, making it a common choice for production designs.
What is the difference between CD74HC245 and CD74HCT245?
The CD74HC245 uses CMOS-compatible input thresholds relative to VCC (approximately VCC/2), while the CD74HCT245 uses fixed TTL-compatible thresholds (VIH min 2.0V, VIL max 0.8V). Use the HC version for pure CMOS bus interfacing, particularly in 3.3V systems, and the HCT version when the transceiver inputs are driven by TTL or bipolar logic outputs in 5V mixed-technology systems.
Can multiple CD74HC245M96 devices share the same bus?
Yes, multiple CD74HC245M96 devices can share the same bus thanks to the 3-state outputs. Only one device should have its OE pin active (low) at any given time to avoid bus contention. System designers typically use bus arbitration logic or decoder outputs to sequence the OE signals, ensuring that only one transceiver drives the bus while all others are in high-impedance mode. This is standard practice in multi-master microprocessor systems.
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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.
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