ISO1540DAlternatives & Equivalent Parts
About ISO1540D
ISO1540D is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | ISO1540DSource | STM8S005C6T6 | STM8S005K6T6CTR | SN74HC166PW | SN74HC595PW | ISO1540DR | ISO1540QDRQ1 |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | STMicroelectronics | STMicroelectronics | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Quad Flat Packages | Quad Flat Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 8 | 48 | 32 | 16 | 16 | 8 | 8 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $0.4564 | — | — | $0.3636 | $0.0913 | $0.3854 | $2.5640 |
| Electrical Parameters | |||||||
| Pbfree Code | Yes | — | — | — | — | Yes | Yes |
| YTEOL | 0 | 9 | 9 | 0 | 0 | 15 | 15 |
| Interface IC Type | INTERFACE CIRCUIT | — | — | — | — | INTERFACE CIRCUIT | INTERFACE CIRCUIT |
| JESD-30 Code | R-PDSO-G8 | S-PQFP-G48 | S-PQFP-G32 | R-PDSO-G16 | R-PDSO-G16 | R-PDSO-G8 | R-PDSO-G8 |
| JESD-609 Code | e4 | e3 | e4 | e4 | e4 | e4 | e4 |
| Number of Channels | 2 | — | — | — | — | 2 | 2 |
| Number of Functions | 1 | — | — | 1 | 1 | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 | QFP48,.35SQ,20 | QFP32,.35SQ,32 | TSSOP16,.25 | TSSOP16,.25 | SOP8,.25 | — |
| Package Shape | RECTANGULAR | SQUARE | SQUARE | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 | 260 | 260 |
| Supply Voltage-Max | 5.5 V | 5.5 V | 5.5 V | — | — | 5.5 V | 5.5 V |
| Supply Voltage-Min | 3 V | 3.3 V | 3.3 V | — | — | 3 V | 3 V |
| Supply Voltage-Nom | 3.3 V | 3.3 V | 3.3 V | — | — | 3.3 V | 3.3 V |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES |
| Technology | BICMOS | CMOS | CMOS | CMOS | CMOS | BICMOS | BICMOS |
| Temperature Grade | AUTOMOTIVE | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 0.5 mm | 0.8 mm | 0.65 mm | 0.65 mm | 1.27 mm | 1.27 mm |
| Terminal Position | DUAL | QUAD | QUAD | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | NOT SPECIFIED | 30 | NOT SPECIFIED | 30 | 30 | 30 |
| ## ISO1540D Alternates Showing results | Image | — | — | — | — | — | — |
| Factory Lead Time | — | 10 Weeks | 10 Weeks | — | — | — | — |
| Has ADC | — | YES | YES | — | — | — | — |
| Bit Size | — | 8 | 8 | — | — | — | — |
| Boundary Scan | — | NO | NO | — | — | — | — |
| CPU Family | — | STM8S | STM8S | — | — | — | — |
| Clock Frequency-Max | — | 24 MHz | 24 MHz | — | — | — | — |
| DAC Channels | — | NO | NO | — | — | — | — |
| DMA Channels | — | NO | NO | — | — | — | — |
| Format | — | FIXED POINT | FIXED POINT | — | — | — | — |
| Integrated Cache | — | NO | NO | — | — | — | — |
| Low Power Mode | — | YES | YES | — | — | — | — |
| Number of External Interrupts | — | 35 | 23 | — | — | — | — |
| Number of I/O Lines | — | 38 | 25 | — | — | — | — |
| On Chip Data RAM Width | — | 8 | 8 | — | — | — | — |
| On Chip Program ROM Width | — | 8 | 8 | — | — | — | — |
| PWM Channels | — | YES | YES | — | — | — | — |
| RAM (bytes) | — | 2048 | 2048 | — | — | — | — |
| RAM (words) | — | 2048 | 2048 | — | — | — | — |
| ROM (words) | — | 32768 | 32768 | — | — | — | — |
| ROM Programmability | — | FLASH | FLASH | — | — | — | — |
| Speed | — | 16 MHz | 16 MHz | — | — | — | — |
| Supply Current-Max | — | 60 mA | 60 mA | — | — | — | — |
| uPs/uCs/Peripheral ICs Type | — | MICROCONTROLLER | MICROCONTROLLER | — | — | — | — |
| Address Bus Width | — | — | 8 | — | — | — | — |
| Additional Feature | — | — | — | SISO OPERATION ALSO AVAILABLE | PARALLEL OUTPUT IS REGISTERED; UNREGISTERED SERIAL SHIFT RIGHT OUTPUT | — | — |
| Count Direction | — | — | — | RIGHT | RIGHT | — | — |
| Family | — | — | — | HC/UH | HC/UH | — | — |
| Load Capacitance (CL) | — | — | — | 50 pF | 150 pF | — | — |
| Logic IC Type | — | — | — | PARALLEL IN SERIAL OUT | SERIAL IN PARALLEL OUT | — | — |
| Max Frequency@Nom-Sup | — | — | — | 25000000 Hz | 25000000 Hz | — | — |
| Max I(ol) | — | — | — | 0.0052 A | 0.0078 A | — | — |
| Number of Bits | — | — | — | 8 | 8 | — | — |
| Output Polarity | — | — | — | TRUE | TRUE | — | — |
| Packing Method | — | — | — | TUBE | TUBE | — | — |
| Power Supply Current-Max (ICC) | — | — | — | 0.08 mA | 0.08 mA | — | — |
| Prop. Delay@Nom-Sup | — | — | — | 32 ns | 34 ns | — | — |
| Propagation Delay (tpd) | — | — | — | 190 ns | 200 ns | — | — |
| Qualification Status | — | — | — | Not Qualified | Not Qualified | — | — |
| Schmitt Trigger | — | — | — | NO | NO | — | — |
| Supply Voltage-Max (Vsup) | — | — | — | 6 V | 6 V | — | — |
| Supply Voltage-Min (Vsup) | — | — | — | 2 V | 2 V | — | — |
| Supply Voltage-Nom (Vsup) | — | — | — | 5 V | 5 V | — | — |
| Trigger Type | — | — | — | POSITIVE EDGE | POSITIVE EDGE | — | — |
| fmax-Min | — | — | — | 24 MHz | 24 MHz | — | — |
| ## SN74HC166PW Alternates Showing results | — | — | — | Image | — | — | — |
| Output Characteristics | — | — | — | — | 3-STATE | — | — |
| ## SN74HC595PW Alternates Showing results | — | — | — | — | Image | — | — |
| Screening Level | — | — | — | — | — | IEC 62368-1 | AEC-Q100 |
| ## ISO1540DR Alternates Showing results | — | — | — | — | — | Image | — |
| Date Of Intro | — | — | — | — | — | — | 2016-12-10 |
| ## ISO1540QDRQ1 Alternates Showing results | — | — | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for ISO1540D is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating ISO1540D replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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What is equivalent to ISO1540D?
Known equivalents for ISO1540D include STM8S005C6T6, STM8S005K6T6CTR, SN74HC166PW. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of ISO1540D?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify ISO1540D alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.