Part Details for SN54LS691FK by Texas Instruments
Overview of SN54LS691FK by Texas Instruments
- Distributor Offerings:
- Number of FFF Equivalents:
- CAD Models:
- Number of Functional Equivalents:
- Part Data Attributes
- Reference Designs:
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Applications
Education and Research
Space Technology
Industrial Automation
Aerospace and Defense
Automotive
Price & Stock for SN54LS691FK
| Part # | Distributor | Description | Stock | Price | Buy | |
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Bristol Electronics | 330 |
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RFQ |
Part Details for SN54LS691FK
SN54LS691FK CAD Models
SN54LS691FK Part Data Attributes
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SN54LS691FK
Texas Instruments
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Datasheet
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SN54LS691FK
Texas Instruments
LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, CQCC20, CERAMIC, LCC-20
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| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Part Package Code | QLCC | |
| Package Description | QCCN, LCC20,.35SQ | |
| Pin Count | 20 | |
| Reach Compliance Code | not_compliant | |
| HTS Code | 8542.39.00.01 | |
| Additional Feature | REGISTER/COUNTER OUTPUT SELECT; TCO OUTPUT; REGISTERED OUTPUTS | |
| Count Direction | UP | |
| Family | LS | |
| JESD-30 Code | S-CQCC-N20 | |
| Length | 8.89 mm | |
| Load Capacitance (CL) | 45 pF | |
| Load/Preset Input | YES | |
| Logic IC Type | BINARY COUNTER | |
| Mode of Operation | SYNCHRONOUS | |
| Number of Bits | 4 | |
| Number of Functions | 1 | |
| Number of Terminals | 20 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -55 °C | |
| Output Characteristics | 3-STATE | |
| Package Body Material | CERAMIC, METAL-SEALED COFIRED | |
| Package Code | QCCN | |
| Package Equivalence Code | LCC20,.35SQ | |
| Package Shape | SQUARE | |
| Package Style | CHIP CARRIER | |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | |
| Power Supply Current-Max (ICC) | 70 mA | |
| Propagation Delay (tpd) | 25 ns | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 2.03 mm | |
| Supply Voltage-Max (Vsup) | 5.5 V | |
| Supply Voltage-Min (Vsup) | 4.5 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | YES | |
| Technology | TTL | |
| Temperature Grade | MILITARY | |
| Terminal Form | NO LEAD | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | QUAD | |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | |
| Trigger Type | POSITIVE EDGE | |
| Width | 8.89 mm |
Alternate Parts for SN54LS691FK
This table gives cross-reference parts and alternative options found for SN54LS691FK. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of SN54LS691FK, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Description | Manufacturer | Compare |
|---|---|---|---|
| SNJ54LS691FK | LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, CQCC20 | Texas Instruments | SN54LS691FK vs SNJ54LS691FK |
| SNJ54LS691FK | Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, CQCC20, LCC-20 | Rochester Electronics LLC | SN54LS691FK vs SNJ54LS691FK |