Appendix A Specifications for PCMCIA Bus
© National Instruments Corporation A-17 6023E/6024E/6025E User Manual
Base clocks available
Counter/timers ................................20 MHz, 100 kHz
Frequency scalers............................10 MHz, 100 kHz
Base clock accuracy...............................±0.01%
Max source frequency............................20 MHz
Min source pulse duration...................... 10 ns in edge-detect mode
Min gate pulse duration..........................10 ns in edge-detect mode
Data transfers .........................................Interrupts, programmed I/O
Triggers
Digital Trigger
Compatibility .........................................TTL
Response ................................................ Rising or falling edge
Pulse width.............................................10 ns min
Calibration
Recommended warm-up time................30 min
Interval ...................................................1 year
External calibration reference................> 6 and < 10 V
Onboard calibration reference
Level ............................................... 5.000 V (±3.5 mV) (actual
value stored in EEPROM)
Temperature coefficient..................±5 ppm/°Cmax
Long-term stability ......................... ±15 ppm/
Power Requirement
+5 VDC (±5%).......................................270 mA
Note
Excludes power consumed through V
cc
available at the I/O connector.
Power available at I/O connector........... +4.65 to +5.25 VDC at 0.75 A
1 000 h,