Datasheet Texas Instruments SNJ54LS21FK
| Manufacturer | Texas Instruments |
| Series | SN54LS21 |
| Part Number | SNJ54LS21FK |
Dual 4-Input Positive-AND Gates 20-LCCC -55 to 125
Datasheets
Dual 4-Input Positive-AND Gates datasheet
PDF, 942 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 | 20 | 20 |
| Package Type | FK | FK |
| Industry STD Term | LCCC | LCCC |
| JEDEC Code | S-CQCC-N | S-CQCC-N |
| Package QTY | 1 | 1 |
| Carrier | TUBE | TUBE |
| Device Marking | 21FK | SNJ54LS |
| Width (mm) | 8.89 | 8.89 |
| Length (mm) | 8.89 | 8.89 |
| Thickness (mm) | 1.83 | 1.83 |
| Pitch (mm) | 1.27 | 1.27 |
| Max Height (mm) | 2.03 | 2.03 |
| Mechanical Data | Download | Download |
Parametrics
| Bits | 2 |
| F @ Nom Voltage(Max) | 35 Mhz |
| ICC @ Nom Voltage(Max) | 0.0025 mA |
| Input Type | TTL |
| Operating Temperature Range | -55 to 125 C |
| Output Drive (IOL/IOH)(Max) | -.04/8 mA |
| Output Type | TTL |
| Package Group | LCCC |
| Package Size: mm2:W x L | 20LCCC: 79 mm2: 8.89 x 8.89(LCCC) PKG |
| Rating | Military |
| Schmitt Trigger | No |
| Technology Family | LS |
| VCC(Max) | 5.5 V |
| VCC(Min) | 4.5 V |
| tpd @ Nom Voltage(Max) | 20 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: SN54LS21 (10)
Manufacturer's Classification
- Semiconductors > Space & High Reliability > Logic Products > Gate Products
