PC104 Series
     
   
 
 
EX9911(104)                                                                                              24-bit Digital I/O, 3 ch. Counter/Timer
 

Key Specifications/Special Features:

 

rogrammable Counter/Timer:

82C54 or equivalent IC

TTL, DTL, CMOS compatibleInput/Output level

3 or 6 channels independent 16-bit counter

DC to 10MHz frequency range

6 programmable mode

24 Bits digital I/O lines:


Simulate 8255 PPI made 0


Power consumption +5v only

Buffered circuits for higher driving capacity than 8255

Bit 0 of port C can generate an interrupt to IRQ 2,3,4,5,6,7

Interrupt triggering rising/falling edge

Output status readback

Pin compatible with OPTO-22 I/O module racks

Transfer rate max 400KB/sec

Digital output : Logic level 0 : 0.5V
Logic level 1 : 2.0V
max@24mA min@15mA

Digital input:
Logic level 0 : 0.8V max
Logic level 1 : 2.0V min

 

 


 

 

 

 
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