Network, Ttl inputs and outputs, Ttl inputs – National Instruments NI CVS-1450 Series User Manual

Page 74: Ttl outputs

Advertising
background image

Appendix B

Specifications

NI CVS-1450 Series User Manual

B-2

ni.com

Network

Network interface ...................................10BaseT and 100BaseTX

Ethernet

Compatibility ..........................................IEEE 802.3

Communication rates ..............................10 Mbps, 100 Mbps,

auto-negotiated

Maximum cabling distance.....................100 m/segment

TTL Inputs and Outputs

Digital logic levels

TTL Inputs

Number of channels................................2

Maximum pulse rate ...............................2 MHz

Minimum pulse detected ........................500 ns

Power-on state ........................................Input (high-impedance)

61.9 k

Ω pull-up to 5 V

TTL Outputs

Number of channels................................10

Output voltage range ..............................0 V to 5 V

Maximum pulse rate ...............................2 MHz

Level

Minimum

Maximum

Input low voltage (V

IL

)

0 V

0.5 V

Input high voltage (V

IH

)

2.2 V

5 V

Output low voltage (V

OL

), at 5 mA

0.4 V

Output high voltage (V

OH

), at 5 mA

2.4 V

Advertising