Appendix A
Specifications
©
National Instruments Corporation
A-3
Gain temperature coefficient
Voltage............................................ 1 ppm/ ºC
Current (6704 only) ........................ 2 ppm/ ºC
Digital I/O
Number of channels ............................... 8 I/O
Compatibility ......................................... TTL
Power-on state........................................ Input (high impedance)
Digital logic levels
Bus Interface
Type ....................................................... Slave
Power Requirement
+5 V
6703 ................................................ 700 mA
6704 ................................................ 1 A
+12 V...................................................... 70 mA
–12 V...................................................... 70 mA
Level
Min
Max
Input low voltage
—
0.8 V
Input high voltage
2.0 V
—
Output low voltage
—
0.45 V, I
OL
= 16 mA
Output high voltage
2.4 V, I
OH
= 16 mA
—
Input leakage current
—
10 µA
