Datasheet Texas Instruments SN54LS279A
| Manufacturer | Texas Instruments |
| Series | SN54LS279A |
Quadruple /S-/R Latches
Datasheets
Quadruple S-R Latches datasheet
PDF, 881 Kb, File published: Mar 1, 1988
Extract from the document
Prices
Status
| 76018012A | 7601801EA | 7601801FA | SN54LS279AJ | SNJ54LS279AFK | SNJ54LS279AJ | SNJ54LS279AW | |
|---|---|---|---|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No | No | No | No | No | No | No |
Packaging
| 76018012A | 7601801EA | 7601801FA | SN54LS279AJ | SNJ54LS279AFK | SNJ54LS279AJ | SNJ54LS279AW | |
|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Pin | 20 | 16 | 16 | 16 | 20 | 16 | 16 |
| Package Type | FK | J | W | J | FK | J | W |
| Industry STD Term | LCCC | CDIP | CFP | CDIP | LCCC | CDIP | CFP |
| JEDEC Code | S-CQCC-N | R-GDIP-T | R-GDFP-F | R-GDIP-T | S-CQCC-N | R-GDIP-T | R-GDFP-F |
| Package QTY | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Carrier | TUBE | TUBE | TUBE | TUBE | TUBE | TUBE | TUBE |
| Device Marking | 76018012A | 7601801EA | SNJ54LS279AW | SN54LS279AJ | SNJ54LS | SNJ54LS279AJ | 7601801FA |
| Width (mm) | 8.89 | 6.92 | 6.73 | 6.92 | 8.89 | 6.92 | 6.73 |
| Length (mm) | 8.89 | 19.56 | 10.3 | 19.56 | 8.89 | 19.56 | 10.3 |
| Thickness (mm) | 1.83 | 4.57 | 1.65 | 4.57 | 1.83 | 4.57 | 1.65 |
| Pitch (mm) | 1.27 | 2.54 | 1.27 | 2.54 | 1.27 | 2.54 | 1.27 |
| Max Height (mm) | 2.03 | 5.08 | 2.03 | 5.08 | 2.03 | 5.08 | 2.03 |
| Mechanical Data | Download | Download | Download | Download | Download | Download | Download |
Parametrics
| Parameters / Models | 76018012A | 7601801EA | 7601801FA | SN54LS279AJ | SNJ54LS279AFK | SNJ54LS279AJ | SNJ54LS279AW |
|---|---|---|---|---|---|---|---|
| 3-State Output | No | No | No | No | No | No | No |
| Bits | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| F @ Nom Voltage(Max), Mhz | 35 | 35 | 35 | 35 | 35 | 35 | 35 |
| ICC @ Nom Voltage(Max), mA | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Input Type | TTL | TTL | TTL | TTL | TTL | TTL | TTL |
| Operating Temperature Range, C | -55 to 125 | -55 to 125 | -55 to 125 | -55 to 125 | -55 to 125 | -55 to 125 | -55 to 125 |
| Output Drive (IOL/IOH)(Max), mA | 8/-0.4 | 8/-0.4 | 8/-0.4 | 8/-0.4 | 8/-0.4 | 8/-0.4 | 8/-0.4 |
| Output Type | TTL | TTL | TTL | TTL | TTL | TTL | TTL |
| Package Group | LCCC | CDIP | CFP | CDIP | LCCC | CDIP | CFP |
| Package Size: mm2:W x L, PKG | 20LCCC: 79 mm2: 8.89 x 8.89(LCCC) | See datasheet (CDIP) | See datasheet (CFP) | See datasheet (CDIP) | 20LCCC: 79 mm2: 8.89 x 8.89(LCCC) | See datasheet (CDIP) | See datasheet (CFP) |
| Rating | Military | Military | Military | Military | Military | Military | Military |
| Technology Family | LS | LS | LS | LS | LS | LS | LS |
| VCC(Max), V | 5.25 | 5.25 | 5.25 | 5.25 | 5.25 | 5.25 | 5.25 |
| VCC(Min), V | 4.75 | 4.75 | 4.75 | 4.75 | 4.75 | 4.75 | 4.75 |
| tpd @ Nom Voltage(Max), ns | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
Eco Plan
| 76018012A | 7601801EA | 7601801FA | SN54LS279AJ | SNJ54LS279AFK | SNJ54LS279AJ | SNJ54LS279AW | |
|---|---|---|---|---|---|---|---|
| RoHS | See ti.com | See ti.com | See ti.com | See ti.com | See ti.com | See ti.com | See ti.com |
Application Notes
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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: SN54LS279A (7)
Manufacturer's Classification
- Semiconductors> Space & High Reliability> Logic Products> Flip-Flop/Latch/Registers
