Texas Instruments SN74ALS08DR

Mfr. Part

SN74ALS08DR

Manufacturer

Luminary Micro/Texas Instruments. Y-IC is a quality distributor of TI products and we will provide you with the best products and services.

Detailed Description

Quad 2-input AND gate IC in a 14-pin SOIC package. ALS-TTL technology optimized for 5 V systems. Commercial temperature range 0°C to 70°C. RoHS3 compliant. Base product number 74ALS08. Supplied in Tape & Reel for automated assembly.

Key Features

Logic type: AND gate, quad channel (4 gates), 2 inputs per gate

Supply voltage: 4.5 V to 5.5 V (5 V nominal)

Propagation delay: up to 14 ns at 5 V, 50 pF

Input thresholds: VIH ≥ 2.0 V, VIL ≤ 0.8 V (TTL-friendly)

Output current capability: source ≈ 0.4 mA (high), sink up to 8 mA (low)

Package/case: 14-SOIC (0.154 inch, 3.90 mm width)

Mounting: Surface mount (SMT)

Series: 74ALS

RoHS: ROHS3 Compliant

Key Advantages

Stable, predictable timing across the commercial temperature range

TTL-level inputs simplify interfacing with legacy 5 V logic

Low power ALS-TTL compared to older TTL families

Standard pinout for easy drop-in to existing 7408-like designs

Tape & Reel packaging supports high-volume SMT manufacturing

Broad industry support and long-term availability from TI

Packaging

Type: 14-SOIC, plastic molded body

Dimensions: body width ~3.90 mm, standard SOIC footprint; 14 leads, 150-mil

Pin count and configuration: 14 pins; four independent 2-input AND gates

Pinout (typical 7408 family):

1: 1A, 2: 1B, 3: 1Y,

4: 2A, 5: 2B, 6: 2Y,

7: GND,

8: 3Y, 9: 3A, 10: 3B,

11: 4Y, 12: 4A, 13: 4B,

14: VCC

Supplier device package: 14-SOIC

Shipment format: Tape & Reel (TR) for automated pick-and-place

Thermal characteristics: commercial-grade SOIC; ensure good PCB copper for heat spreading and keep ambient within 0°C to 70°C

Electrical properties: 5 V nominal operation, 4.5–5.5 V range; TTL input thresholds; outputs sink up to 8 mA

Lifecycle

Status: Mature, widely used 5 V logic; generally active in TI’s catalog

Not nearing discontinuation based on typical availability; check with us for latest status

Equivalent or alternative models (choose based on voltage, speed, and input levels):

- SN74HC08DR (CMOS, 2–6 V, lower power, different input thresholds)

- SN74HCT08DR (CMOS with TTL-compatible inputs, 4.5–5.5 V)

- SN74LS08DR (LS-TTL, 5 V, classic TTL family)

- SN74F08DR (Fast TTL, higher speed at 5 V)

- SN74AHC08DR (Advanced high-speed CMOS, 2–5.5 V)

- SN74LV08ADR (Low-voltage CMOS, 2–3.6 V)

- CD74HC08M (HC family in SOIC from TI)

If you need pin-compatible, performance-compatible replacements, contact our sales team via the Y-IC website for tailored guidance

Key Application Areas

5 V digital logic systems that need reliable AND functions

Industrial controls and instrumentation using TTL-level interfaces

Communications and networking equipment with legacy 5 V domains

Embedded systems, boards, and test fixtures requiring quad AND gates

Glue logic for microcontrollers, FPGAs (5 V tolerant side), and peripheral gating

Signal qualification, enable gating, timing condition checks in digital designs

Datasheet

Y-IC provides the most authoritative, up-to-date datasheet for SN74ALS08DR on our product page. We recommend downloading it now to confirm electrical specs, timing, and pinout details.

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