Part Details for SN54LS668FK by Texas Instruments
Overview of SN54LS668FK by Texas Instruments
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (1 cross)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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Part Details for SN54LS668FK
SN54LS668FK CAD Models
SN54LS668FK Part Data Attributes
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SN54LS668FK
Texas Instruments
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SN54LS668FK
Texas Instruments
LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL DECADE COUNTER, CQCC20
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| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Package Description | QCCN, LCC20,.35SQ | |
| Reach Compliance Code | not_compliant | |
| HTS Code | 8542.39.00.01 | |
| Additional Feature | TCO OUTPUT; COUNT ENABLE INPUT | |
| Count Direction | BIDIRECTIONAL | |
| Family | LS | |
| JESD-30 Code | S-CQCC-N20 | |
| Length | 8.89 mm | |
| Load Capacitance (CL) | 15 pF | |
| Load/Preset Input | YES | |
| Logic IC Type | DECADE 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 | |
| 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) | 34 mA | |
| Propagation Delay (tpd) | 27 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 | |
| fmax-Min | 25 MHz |
Alternate Parts for SN54LS668FK
This table gives cross-reference parts and alternative options found for SN54LS668FK. 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 SN54LS668FK, 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 |
|---|---|---|---|
| SNJ54LS668FK | Decade Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, CQCC20, | Rochester Electronics LLC | SN54LS668FK vs SNJ54LS668FK |