Measurement Computing CIO-CTRxxHD - Manual (Page 13)

6 SPECIFICATIONS
Typical for 25°C unless otherwise specified.
POWER CONSUMPTION
+5V
CIO-CTR10HD 475 mA typical, 590 mA max
CIO-CTR20HD 800 mA typical, 1A max
COUNTER SECTION
Counter type 9513
Configuration
CIO-CTR10HD Two 9513 devices. 5 counters per 9513, 16 bits
each
CIO-CTR20HD Four 9513 devices. 5 counters per 9513, 16 bits
each
Clock input frequency 7 Mhz max
X2 Clock input source 1 MHz (10 MHz Xtal divided by 10), 5 MHz (10
MHz Xtal 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
CIO-CTR##HD 100 ppm
CIO-CTR##HD/H50 50 ppm
DIGITAL I/O
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
9