Datasheet Texas Instruments SNJ54LS257BJ
| Manufacturer | Texas Instruments |
| Series | SN54LS257B |
| Part Number | SNJ54LS257BJ |
Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-CDIP -55 to 125
Datasheets
Quadruple 2-Line To 1-Line Data Selectors/Multiplexers datasheet
PDF, 989 Kb, File published: Mar 1, 1988
Extract from the document
Prices
Status
| Lifecycle Status | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No |
Packaging
| Pin | 16 | 16 |
| Package Type | J | J |
| Industry STD Term | CDIP | CDIP |
| JEDEC Code | R-GDIP-T | R-GDIP-T |
| Package QTY | 1 | 1 |
| Carrier | TUBE | TUBE |
| Device Marking | SNJ54LS257BJ | 7603701EA |
| Width (mm) | 6.92 | 6.92 |
| Length (mm) | 19.56 | 19.56 |
| Thickness (mm) | 4.57 | 4.57 |
| Pitch (mm) | 2.54 | 2.54 |
| Max Height (mm) | 5.08 | 5.08 |
| Mechanical Data | Download | Download |
Parametrics
| Number of Channels | 4 |
| F @ Nom Voltage(Max) | 35 Mhz |
| ICC @ Nom Voltage(Max) | 19 mA |
| Operating Temperature Range | -55 to 125 C |
| Package Group | CDIP |
| Package Size: mm2:W x L | See datasheet (CDIP) PKG |
| Rating | Military |
| Schmitt Trigger | No |
| Technology Family | LS |
| VCC(Max) | 5.5 V |
| VCC(Min) | 4.5 V |
| Voltage(Nom) | 5 V |
| tpd @ Nom Voltage(Max) | 21 ns |
Eco Plan
| RoHS | See ti.com |
Application Notes
- Designing with the SN54/74LS123 (Rev. A)PDF, 118 Kb, Revision: A, File published: Mar 1, 1997
The Texas Instruments (TI) SN54/74LS123 dual retriggerable monostable multivibrator is a one-shot device capable of verylong output pulses and up to 100% duty cycle. The ?LS123 also features dc triggering from gated low-level active A andhigh-level active B inputs and provides a clear input that terminates the output pulse of any predetermined time independentof timing components R ext and
Model Line
Series: SN54LS257B (12)
Manufacturer's Classification
- Semiconductors > Space & High Reliability > Logic Products > Specialty Logic Products > Decoders/Encoders/Multiplexers
