Specifications68C3 Operations Manual North Atlantic Industries, Inc. 12/19/2014Rev: 2014-12-19-0947 www.naii.com Page 30 of 330I/O (Module D7) – Sixteen TTL Channels— Programmable for I/OTTL InputInput levels: TTL and CMOS compatible, single ended inputs.Each channel incorporates a 100 KΩ pull-down resistor.V in L: 0.8 V = “0”V in H: 2.0 V = “1”V in Max.: 5.5 VI in: 50ARead delay: 300 nsDe-bounce:TTL OutputProgrammable per bit from 0 to 343s. LSB=programmableOutput levels: TTL/CMOS, single ended outputsDrive capability: V out L: +0.55 V max. Low level output current: 24 mA (sink)V out H: 2.4 V min. High level output current 24 mA (source)Rise/Fall time: 10 ns into a 50pf loadWrite delay: 300 nsPower: +5 VDC @ 75 mA unloaded (@ 460 mA max if all Ch. max source)Ground: All grounds are common and connected/referenced to system groundWeight: 1 oz. (28g)I/O (Module D8) – Eleven (Sixteen*) Differential Multi-Mode Transceiver Channels(* 16 channels available on certain supported platforms – either front and/or rear I/O connectivity – check pinouts)Mode of Operation: RS-422 (Differential) RS-485 (Differential)Differential InputReceiver Input Levels: -10V to +10V (wrt system GND) -7V to +12V (wrt system GND)Receiver Input Sensitivity: 200mV (differential) 200mV (differential)Receiver Input Resistance: 120 >12k(Each channel incorporates a 120 termination resistor that can be programmed on achannel by channel basis)Read Delay: 300 nsDe-Bounce: Programmable per bit from 0 to 343s. LSB=programmableDifferential OutputDriver Output Voltage: -0.25V to +5V max. (from either (+) or (-) pin with respect to system GND)Driver Output Signal Level:(Loaded Minimum)2V (differential) 1.5V (differential)Driver Output signal Level:(Unloaded Maximum)5V (differential) 5V (differential)Driver Load Impedance:Max. Driver Current In100 54Hi Z State (Power ON):Max. Driver current InN/A 100A (differential)Hi Z State (Power OFF): 10 A (differential) 10 A (differential)Write Delay: 300 ns 300 nsProtection: Short circuit protected, thermal shutdown, built-in current limitingRise/Fall Time: 31 ns into a 50pf loadPower (Per 11 Channel Module): +5VDC @ 200 mA, 360 mA fully loaded (54Ω load per channel)Ground: All grounds are common and connected to system groundWeight: 1 oz. (28g)
