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CVMEH22501AIDGGREP
Texas Instruments
IC UNIVERSAL BUS TXRX 48TSSOP
65858 Pcs New Original In Stock
Universal Bus Transceiver 8-Bit and Dual 1-Bit 48-TSSOP
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5.0 / 5.0
- (258 Ratings)
CVMEH22501AIDGGREP
Product Overview
1266109
DiGi Electronics Part Number
CVMEH22501AIDGGREP-DGManufacturer
Texas Instruments
CVMEH22501AIDGGREP
Description
IC UNIVERSAL BUS TXRX 48TSSOPInventory
65858 Pcs New Original In Stock
Universal Bus Transceiver 8-Bit and Dual 1-Bit 48-TSSOP
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
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CVMEH22501AIDGGREP Technical Specifications
Category
Logic, Universal Bus Functions
Packaging
Cut Tape (CT) & Digi-Reel®
Series
74VMEH
Product Status
Active
Logic Type
Universal Bus Transceiver
Number of Circuits
8-Bit and Dual 1-Bit
Current - Output High, Low
12mA, 12mA; 48mA, 64mA
Voltage - Supply
3.15V ~ 3.45V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
48-TFSOP (0.240", 6.10mm Width)
Supplier Device Package
48-TSSOP
Base Product Number
CVMEH22501
Datasheet & Documents
HTML Datasheet
CVMEH22501AIDGGREP-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
296-22148-2
V62/05606-01XE
296-22148-1
-V62/05606-01XE-NDR
296-22148-6-NDR
296-22148-1-NDR
TEXTISCVMEH22501AIDGGREP
-CVMEH22501AIDGGREP-NDR
2156-CVMEH22501AIDGGREP
-296-22148-1
-V62/05606-01XE
-296-22148-1-DG
296-22148-2-NDR
-296-22148-1-NDR
296-22148-6
Standard Package
2,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
我對DiGi Electronics的配送流程印象深刻，包裝完好無損，取貨也非常方便快捷。
de desembre 02, 2025
Their cost-effective solutions are instrumental to our success.
de desembre 02, 2025
I’ve put their products through intensive daily usage, and they still perform like new.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the CVMEH22501AIDGGREP in a mixed-voltage system with 3.3V and 5V components?
When integrating the CVMEH22501AIDGGREP in a mixed-voltage system, a critical risk is exceeding its 3.15V to 3.45V supply voltage range, as it is not 5V-tolerant on power inputs. While the I/Os may tolerate limited overvoltage under transient conditions, sustained 5V signals can damage the device. Use level translators such as the SN74LVC4245A between 5V buses and the CVMEH22501AIDGGREP to ensure safe interfacing. Additionally, verify power sequencing to avoid latch-up during startup in systems where 5V rails rise before 3.3V supplies.
Can the CVMEH22501AIDGGREP replace the obsolete 74VMEH22501PW in a high-speed backplane application, and what layout considerations are critical?
Yes, the CVMEH22501AIDGGREP is a suitable replacement for the obsolete 74VMEH22501PW, offering identical functionality in a similar 48-TSSOP package. However, ensure pin compatibility and verify that the DGG suffix (TFSOP) does not introduce tighter spacing than your current footprint. For high-speed backplane designs, maintain controlled impedance traces, minimize stub lengths, and implement proper ground stitching due to the CVMEH22501AIDGGREP's high-speed switching characteristics. Terminate bus lines as recommended in TI's application note AN-1044 to prevent signal reflections.
How does the CVMEH22501AIDGGREP handle bus contention in bidirectional applications, and what are the reliability implications?
The CVMEH22501AIDGGREP features bus-hold circuitry and 3-state outputs to minimize contention, but it relies on proper external control of the output-enable (OE) and direction (DIR) signals. Incorrect timing or floating control lines can lead to simultaneous drive on the bus, causing current spikes and long-term reliability degradation. To mitigate risk, ensure tight timing margins on OE/DIR signals, use series resistors on control inputs to reduce noise coupling, and validate worst-case propagation delays. Consider adding current-limiting resistors (22–33Ω) in series with data lines if contention is a concern during mode transitions.
What are the thermal and current drive limitations of the CVMEH22501AIDGGREP when driving heavy capacitive loads above 50pF?
The CVMEH22501AIDGGREP provides strong drive strength (64mA sink, 48mA source per group), but driving capacitive loads above 50pF increases peak current demands and switching power dissipation. This can elevate die temperature, especially in dense layouts with limited copper thermal relief. For loads >50pF, de-rate the number of simultaneously switching outputs (SSO), add series damping resistors (10–22Ω) to limit inrush, and ensure the PCB has adequate ground planes for heat dissipation. Monitor power rail noise as high di/dt can affect signal integrity in adjacent traces.
Is the CVMEH22501AIDGGREP pin-to-pin compatible with the SN74ABT62505DB in a legacy design upgrade, and what are the performance trade-offs?
The CVMEH22501AIDGGREP is not pin-compatible with the SN74ABT62505DB due to differences in logic mapping, control pin arrangement, and package pinouts despite both being 48-pin TSSOP transceivers. Swapping them without a board redesign will cause functional failure. While the CVMEH22501AIDGGREP offers lower power and higher speed operation (optimized for 3.3V), the SN74ABT62505DB supports 5V systems and has different enable logic. Use the CVMEH22501AIDGGREP only with a schematic and layout update, and verify timing with its faster propagation delays to avoid hold-time violations in older synchronous designs.
Quality Assurance (QC)
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CVMEH22501AIDGGREP CAD Models
Texas Instruments CVMEH22501AIDGGREP PCB symbols & footprints
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