IL74 DUAL CHANNEL ILD74 QUAD CHANNEL ILQ74
SINGLE CHANNEL PHOTOTRANSISTOR OPTOCOUPLER
FEATURES • 7400 Series T2L Compati...
IL74 DUAL CHANNEL ILD74 QUAD CHANNEL ILQ74
SINGLE CHANNEL PHOTO
TRANSISTOR OPTOCOUPLER
FEATURES 7400 Series T2L Compatible Transfer Ratio, 35% Typical Coupling Capacitance, 0.5 pF Single, Dual, & Quad Channel Industry Standard DIP Package Underwriters Lab File #E52744 V VDE Approvals #0884 (Optional with Option 1, Add -X001 Suffix)
D E
Dimensions in inches (mm)
Pin One ID. 3 .248 (6.30) .256 (6.50) 4 5 6 2 1 Anode 1 Cathode 2 NC 3 6 Base 5 Collector 4 Emitter
.335 (8.50) .343 (8.70) .039 (1.00) min. 4° typ. .018 (0.45) .022 (0.55) .300 (7.62) typ. .130 (3.30) .150 (3.81) 18° typ. .020 (.051) min. .031 (0.80) .035 (0.90) .100 (2.54) typ. .010 (.25) .014 (.35) .300 (7.62) .347 (8.82) .110 (2.79) .150 (3.81)
DESCRIPTION The IL74 is an optically coupled pair with a Gallium Arsenide infrared LED and a silicon
NPN photo
transistor. Signal information, including a DC level, can be transmitted by the device while maintaining a high degree of electrical isolation between input and output. The IL74 is especially designed for driving medium-speed logic, where it may be used to eliminate troublesome gound loop and noise problems. Also it can be used to replace relays and transformers in many digital interface applications, as well as analog applications such as CRT modulation. The ILD74 has two isolated channels in a single DIP package; the ILQ74 has four isolated channels per package.
4
3
2
1
Pin One I.D.
Anode 1 2 3 4 8 Emitter 7 Collector 6 Collector 5 Emitter
.268...