Datasheet

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Counter function characteristics
Max frequency
10 MHz (max) 50% duty cycle
Vin
0 V to 5 V
Min rise/fall time
5 µsec
Totalizer function characteristics
Maximum count
2^32-1 (4,294,967,296)
Maximum input frequency
10 MHz (max), rising or falling edge, programmable
Vin
0 V – 5 V
Gate input
0 V – 5 V
Maximum input frequency
5 µsec
System clock generator characteristics
Frequency
20 MHz – 10 Hz, configurable divide by-n 24-bits, programmable on/off
Vout
1.65 V – 5 V
2
Iout (max)
24mA
2
Accuracy
100 ppm
1. Configurable by 8-bit channel
2. Lower current drive at lower voltages
3. From memory with handshaking
4. Configurable by bank
5. 5V, 50 pF load
Figure 17: 34950A 64-channel digital I/O