Counter; Memory; Microcontroller; Power - Measurement Computing USB-1408FS-Plus User Manual

USB-1408FS-Plus User's Guide

Counter

Parameter
Pin name
Counter type
Number of channels
Input type
Input source
Resolution
Maximum input frequency
High pulse width
Low pulse width
Schmitt trigger hysteresis
Input high voltage threshold
Input high voltage limit
Input low voltage threshold
Input low voltage limit

Memory

Parameter
Non-volatile EEPROM

Microcontroller

Parameter
Type

Power

Parameter
Supply current
+VO power available
+VO output current
Table 12. Counter specifications
Specification
CTR
Event counter
1
Schmitt trigger, 47 kΩ pull-down to ground, rising edge triggered
CTR screw terminal
32 bits
1 MHz
500 ns min
500 ns min
1.01 V typ
0.6 V min
1.5 V max
2.43 V typ
1.9 V min
3.1V max
5.5 V absolute max
1.42 V typ
1.0 V min
2.0 V max
–0.5 V absolute min
0 V recommended min
Table 13. Memory specifications
Specification
2,048 bytes (768 bytes calibration, 256 bytes user, 1,024 bytes DAQFlex)
Table 14. Microcontroller specifications
Specification
High performance 16-bit RISC microcontroller
Table 15. Power specifications
Condition
During USB enumeration
After USB enumeration, including DIO, AO, SYNC,
and +VO output loading
After USB enumeration
After USB enumeration
25
Specifications
Specification
< 100 mA
< 500 mA
4.5 V min, 5.25 V max
100 mA max