Measurement Computing E-1608-OEM - Manual (Page 24)

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Counter
Table 13. Counter specifications
Parameter Specification
Pin name CTR
Counter type Event counter
Number of channels 1
Input type Schmitt trigger, 47 kΩ pull-down to ground
Input source CTR screw terminal
Resolution 32 bits
Schmitt trigger hysteresis 1.01 V typ
0.6 V min
1.5 V max
Input high voltage threshold 2.43 V typ
1.9 V min
3.1 V max
Input high voltage limit 5.5 V absolute max
Input low voltage threshold 1.42 V typ
1.0 V min
2.0 V max
Input low voltage limit –0.5 V absolute min
0 V recommended min
Input frequency 10 MHz max
High pulse width 50 ns min
Low pulse width 50 ns min
Memory
Table 14. Memory specifications
Parameter Specification
Data FIFO (analog input) 49,152 samples
Non-volatile memory 2,048 bytes (768 bytes for calibration, 256 bytes for user, 1,024 bytes for network
settings)
Power
Table 15. Power specifications
Parameter Condition Specification
External power supply 5V, 1A
Supply current Quiescent current 330 mA typical (Note 6)
710 mA max including all external loading
User output voltage range Available at +VO pin 4.40 V min to 5.25 V max, assumes supplied
AC adapter is used
User output current Available at +VO pin 10 mA max
Note 6: This is the total quiescent current requirement for the device that includes the LEDs. This does not
include any potential loading of the digital I/O bits, +VO pin, or the AOUTx outputs.