| Technical specifications |
| DIGITAL INPUT/OUTPUT |
| Digital type |
Input: 74ACT373 USB-DIO96H hardware revision G and later: 74LCX24
Output: 74FCT244 |
| Number of I/O |
96 |
| Configuration |
Eight banks of 8, eight banks of 4, programmable by bank as
input or output |
| Pull-up/down configuration |
High impedance pull-up/down selectable with DIP switch for
each digital input port. |
| Input high |
2.0 V min, 5.5 V absolute max |
| Input low |
0.8 V max, -0.5 V absolute |
| Output high |
2.0 V min @ –24 mA |
| Output low |
0.5 V max @ 64 mA |
| Input impedance |
47 k? (series resistance) |
| Source current |
24 mA per output max |
| Power-up state |
Input mode |
| Sink current |
64 mA per output max |
| Debounce mode |
samples all inputs eight times over a specified interval, and latches out the input state when eight consecutive samples are identical (all 0 or all 1). Debouncing intervals: 1 ms, 2 ms, 5 ms, 10 ms, 20 ms, 50 ms, 100 ms, 200 ms, and 400 ms. |
| Debounce interval accuracy |
+0% / –12.5% |
| COUNTER |
| Pin name |
CTR; Schmitt trigger input protected with a 1.5 kOhms series resistor |
| Counter type |
Event counter |
| Number of channels |
1 |
| Input type |
TTL, rising edge triggered |
| Input source |
CTR Screw terminal |
| Resolution |
32 bits |
| Input high voltage limit |
5.0 V recommended max, 5.5 V absolute max |
| Input leakage current |
+-1 µA |
| Input low voltage limit |
0 V recommended min, –0.5 V absolute min |
| High pulse width |
500 ns min |
| Low pulse width |
500 ns min |
| Input low voltage |
0 V min, 1.0 V max |
| Input high voltage |
4.0 V min, 15.0 V max |
| DATA TRANSFER RATES |
| Digital I/O transfer rates (software paced) |
System dependent, 33 to 250 port reads/writes or single bit reads/writes per second type |
| Counter/timer read/write rates (software paced) |
USB-DIO96H only
Counter read: system dependent, 33 to 250 reads per second
Counter clear: system-dependent, 33 to 250 writes per second |
| POWER |
| USB +5V Supply current |
< 100 mA |
| USB +5V input voltage range |
4.75 V min to 5.25 V max |
| External power supply |
5 VDC, 15 W, 5% regulation |
| Alternate external power supply |
Jumper selectable Molex® connector internal to case |
| Voltage supervisor limits |
4.13 V > Vext or Vext > 5.59 V: PWR LED = Off; (power fault)
4.13 V < Vext < 5.59 V: PWR LED = On |
| User 5 V output voltage rang |
4.0 V min, 5.25 V max |
| VUser 5 V output current available |
50 mA max |
| Power supply current: |
2.7 A max |
| ENVIRONMENTAL |
| Operating temperature range |
0 °C to 60 °C |
| Storage temperature range |
–40 °C to 85 °C |
| Humidity |
0% to 90% non-condensing |
| MECHANICAL |
| Dimensions (L x W x H) |
304.8 × 121.9 × 20.0 mm (12.0 × 4.8 × 0.8 in.) |
| Enclosure dimensions (L x W x H) |
342.9 × 125.7 × 58.9 mm (13.50 × 4.95 × 2.32 in.) |
| USB cable type |
A-B cable, UL type AWM 2725 or equivalent.
Min 24 AWG VBUS/GND, min 28 AWG D+/D– |
