Measurement Computing PC104-CTR10HD - Manual (Page 13)

4.0 SPECIFICATIONS
POWER CONSUMPTION
+5V 225 mA typical, 300 mA max
COUNTER SECTION
Counter type 9513
Configuration Two 9513 devices. 5 counters per 9513,
16 bits each
Clock input frequency 7 MHz max
X2 Clock input source 1 MHz (10 MHz crystal divided by 10),
5 MHz (10 MHz crystal divided by 2) or
external; software-selectable
High pulse width (clock input) 70 ns min
Cycle time (clock input) 145 ns min
Gate pulse duration 145 ns min
Input low voltage
−
0.5V min, 0.8V max
Input high voltage 2.2V min, 5V max
Output low voltage 0.4V max @ 3.2 mA
Output high voltage 2.4V min @
−
200 µA
Crystal oscillator clock source 10 MHz
Frequency accuracy
PC104-CTR10HD 100 PPM
PC104-CTR10HD/H50 50 ppm
DIGITAL INPUT / OUTPUT
Interrupts 2 to 7, software-selectable
Interrupt enable Programmable
Interrupt sources External
ENVIRONMENTAL
Operating temperature range 0 to 50°C
Storage temperature range
−
20 to 70°C
Humidity 0 to 90% non-condensing
Weight 5 oz (~140g)
9