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NTE3087 Optoisolator High Speed, Open Collector, NAND Gate Output
Description: The NTE3087 is an optoisolator which combines a GaAsP LED as the emitter and an integrated high gain multi-stage high speed photodetector. The output of the detector circuit is an open collector, Schottky clamped transistor capable of sinking 50mA. The open collector output provides capability for bussing, ORing and strobing. The NTE3087 is packaged in a plastic 8-pin mini-DIP. Features: D LSTTL/TTL Compatible: 5V Supply D Ultra High Speed D Guaranteed Performance Over Temperature D High Isolation Voltage: 2500Vrms Absolute Maximum Ratings: (TA = 0C to +70C unless otherwise specified) Input Forward Current (Note 2), IF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA Pulse Forward Current (Note 3), IFP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA Reverse Voltage, VR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V Output Current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA Output Voltage, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V Supply Voltage (1 minute max), VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V Enable Input Voltage (Not to Exceed VCC by More than 500mV) , VEH . . . . . . . . . . . . . . . . . . . 5.5V Output Collector Power Dissipation, PO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85mW Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +125C Isolation Voltage (Note 3), BVs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2500Vrms Note 1. Device considered a two-terminal device: Pin1, 2, 3, and 4 are shorted together, and Pin5, 6, 7, and 8 are shorted together. Note 2. 50% Duty Cycle, 1ms Pulse Width. Note 3. R.H. = 40 to 60%, AC/1min. Recommended Operating Conditions:
Parameter Input Current, Low Level (Each Channel) Input Current, High Level (Each Channel) Enable Voltage, Low Level (Output High) Enable Voltage, High Level Operating Temperature Fan Out (TTL Load) Symbol IFL IFH VEL VEH TA N Test Conditions Min 0 6.3 0 2.0 0 - Typ - - - - - - Max 250 15.0 0.8 VCC 70 8 Unit A mA V V C
Electrical Characteristics: (TA = 0C to +70C, Note 4 unless otherwise specified)
Parameter High Level Output Current Low Level Output Voltage High Level Enable Current Low Level Enable Current High Level Supply Current Low Level Supply Current Resistance (Input-to-Output) Capacitance (Input-to-Output) Input Forward Voltage Input Reverse Breakdown Voltage Input Capacitance Current Transfer Ratio Symbol IOH VOL IEH IEL ICCH ICCL RI-O CI-O VF V(BR)R CIN CTR Test Conditions VCC = 5.5V, VO = 5.5V, IF = 250A, VE = 2V VCC = 5.5V, IF = 5mA, VEH = 2V, IOL = 13mA VCC = 5.5V, VE = 2.0V VCC = 5.5V, VE = 0.5V VCC = 5.5V, IF = 0, VE = 0.5V VCC = 5.5V, IF = 10mA, VE = 0.5V VI-O = 500V, TA = +25C f = 1MHz, TA = +25C IF = 10mA, TA = +25C IR = 10A, TA = +25C VF = 0, f = 1MHz IF = 5mA, RL = 10 Min - - - - - - - - - 5.0 - - Typ 1 0.4 -1.0 -1.6 7 12 1012 0.6 1.65 - 30 1000 Max 250 0.6 - -2.0 14 18 - - 1.9 - - - Unit A V mA mA mA mA pF V V pF %
Note 4. All typical values at VCC = 5V, TA = +25C. Switching Characteristics: (TA = +25C, VCC = 5V unless otherwise specified)
Parameter Propagation Delay Time to High level Output Propagation Delay Time to Low level Output Output Rise-Fall Time (10% to 90%) Propagation Delay Time of Enable from VEH to VEL Propagation Delay Time of Enable from VEL to VEH Common Mode Transient Immunity at Logic High Outut Level Common Mode Transient Immunity at Logic Low Outut Level Symbol tPLH tPLH tr, tf tELH tEHL CMH CML VCM = 10V, RL = 350, VO(min) = 2V, IF = 0mA VCM = 10V, RL = 350, VO(max) = 0.8V, IF = 5mA RL = 350, CL = 15pF, IF = 7.5mA RL = 350, CL = 15pF, IF = 7.5mA, VEH = 3V, VEL = 0.5V Test Conditions RL = 350, CL = 15pF, IF = 7.5mA Min - - - - - - - Typ 60 60 30 25 25 150 -150 Max 120 120 - - - - - Unit ns ns ns ns ns V/s V/s
Truth Table: (0.1F bypass capacitor must be connected between Pin8 and Pin5) Input H L H L Enable H H L L Output L H H H
Pin Connection Diagram
N.C. 1 Anode (+) 2 Cathode (-) 3 N.C. 4
8 VCC 7 VE 6 Vout 5 GND
8
5
.250 (6.35)
1
4
.390 (9.9) Max .020 (.508) Min Seating Plane
.185 (4.7) Max
.100 (2.54)
.115 (2.94) Min

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