Measurement Computing PCIM-DAS16JR/16 - Manual (Page 24)

PCIM-DAS16JR/16 User's Guide Specifications
Counter
Counter type 82C54
Configuration 3 down counters, 16-bits each
Counter 1 source
(software selectable) ! External source from main connector (pin 21*)
! 100 kHz internal source
Counter 1 gate External gate from main connector (pin 24*)
Counter 1 output Available at main connector (pin 2)
Counter 2 source
(jumper selectable at P2) ! Internal 1 MHz
! Internal 10 MHz
Counter 2 gate
(software enable/disable) External source from main connector (pin 25*)
Counter 2 output Internal only, chained to counter 3 source
Counter 3 source Counter 2 output
Counter 3 gate
(software enable/disable) External source from main connector (pin 25*)
Counter 3 output Available at main connector (pin 20).
Programmable as ADC Pacer clock.
Clock input frequency 10 MHz max.
High pulse width (clock input) 30 ns min.
Low pulse width (clock input) 50 ns min.
Gate width high 50 ns min.
Gate width low 50 ns min.
Input high 2.0 volts min., 5.5 volts absolute max.
Input low 0.8 volts max., -0.5 volts absolute min.
Output high 3.0 volts min. @ -2.5 mA
Output low 0.4 volts max. @ 2.5 mA
Crystal oscillator frequency 10 MHz
Frequency accuracy 50 ppm
* Pins 21, 24, and 25 are pulled to logic high via 10 K resistors.
Environmental
Operating temperature ran e g 0 to 70 °C
Storage temperature range -40 to 100 °C
Humidity 0 to 95% non-condensing
Mechanical
Card dimensions PCI half card: 136.5 mm (L) x 106.9 mm (W) x 11.65 mm (H)
Form factor Universal PCI keying. Compatible with 3.3 V/5 V 32-bit, 33 MHz back planes.
Main connector and pin out
Connector type 37-pin male "D" connector
Connector compatibility Identical to the CIO-DAS16JR/16 connector
Compatible accessory products CIO-MINI37
CIO-SCB37
CIO-SSH-16
Compatible cables C37FF-x
C37FFS-x
6-4