SN7497NE4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
SN7497NE4 is a TTL 6-bit binary rate multiplier that generates output pulse trains at rates proportional to a 6-bit input word. It operates from 0°C to 70°C in a 16-pin PDIP package with 15 pF load capacitance. Enable inputs, complementary outputs, and cascading support make it suitable for frequency synthesis and digital timing circuits.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- SN7497NE4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN7497NE4?
- 6-bit binary rate multiplier with programmable rate select inputs
- Enable input and active-high/low complementary outputs
- Cascadable design for wider-bit multiplication
- TTL-compatible logic levels with 15 pF load capacitance
- Up-count direction with load/preset input
- 0°C to 70°C commercial temperature range
- 16-pin PDIP package for through-hole assembly
What is SN7497NE4 used for?
The SN7497 binary rate multiplier is used in frequency synthesizers and digital-to-analog rate conversion circuits where a pulse train proportional to a binary word is needed. It also appears in programmable timer and clock-divider designs within industrial control and test equipment. Cascaded configurations extend bit width for higher-resolution rate generation in signal processing boards.
What are the specifications of SN7497NE4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Additional Feature | BINARY RATE MULTIPLIER; ENABLE INPUT AND OUTPUTS; COMPLEMENTARY OUTPUTS |
| Count Direction | UP |
| Family | 7497 |
| JESD-30 Code | R-PDIP-T16 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 15pF |
| Load/Preset Input | YES |
| Logic IC Type | BINARY COUNTER |
| Max Frequency@Nom-Sup | 25000000Hz |
| Max I(ol) | 0.016A |
| Mode of Operation | SYNCHRONOUS |
| Number of Bits | 6 |
| Number of Functions | 1 |
| 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) | 120mA |
| Prop. Delay@Nom-Sup | 39ns |
| Propagation Delay (tpd) | 39ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.25V |
| Supply Voltage-Min (Vsup) | 4.75V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | TTL |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 32MHz |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.60 |
Where can I find the SN7497NE4 datasheet?
SN7497NE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN7497NE4?
Compatible alternatives and drop-in replacements for SN7497NE4:
Binary Counter, TTL/H/L Series, Synchronous, Positive Edge Triggered, 6-Bit, Up Direction, TTL, PDIP16
Frequently Asked Questions
How many bits of rate control does the SN7497NE4 provide, and can units be cascaded for wider resolution?
The SN7497 provides 6-bit rate selection, allowing 64 discrete output pulse-rate steps. Multiple units can be cascaded using the enable and carry pins, extending resolution beyond 6 bits for higher-precision frequency synthesis or digital rate control applications.
What is the operating temperature range of the SN7497NE4 and how does it affect board placement decisions?
The SN7497NE4 is rated for the commercial temperature range of 0°C to 70°C. This makes it suitable for indoor control panels and test instruments but not for automotive or harsh outdoor environments. Designers in those contexts would need the military-grade variant rated to -55°C.
Which output configurations does the SN7497 offer for interfacing with downstream TTL logic?
The device provides complementary outputs — both active-high and active-low — and an enable input that can gate the output pulse train. The 15 pF rated load capacitance is consistent with standard TTL fan-out, so it can directly drive typical TTL gate inputs without additional buffering.
In what types of digital timing or frequency circuits is the SN7497 binary rate multiplier commonly used?
The SN7497 is used in programmable frequency dividers, digital-to-analog step rate converters, and variable-duty-cycle clock generators. Its 6-bit word input maps directly to stepper motor speed controllers and CNC feed-rate circuits where a pulse rate proportional to an integer value is required.
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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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