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GPIB
Electrical Specifications
Release 2.1 95
Electrical Specifications
Driver
Requirements
IEEE 488.2 (Section 3.3).
Table A.3Driver Types for Interface Lines
Driver Specifications for 1 megabyte/second:
• Low State: Output voltage < +0.5V at +48mA sink current
• High State: Output Voltage (3 state) ≥ +2.4V at -5.2mA
The Output Voltage (open collector) is dependent on the composite Device Load
Requirements. The Voltage values are measured at the device connector between the
signal line and the logic ground.
Mechanical Specifications
Mechanical Specifications comply with IEEE 488.1 standards.
See Appendix E for details.
Performance Specifications
The power supply responds within 2 ms of receiving a command over the GPIB
interface.
Signal
Line
Driver
Signal
Line
Driver
DIO1 Tri State EOI Tri State
DIO2 Tri State DAV Tri State
DIO3 Tri State NRFD Open Collector
(mandatory)
DIO4 Tri State NDAC Open Collector
(mandatory)
DIO5 Tri State REN Tri State
DIO6 Tri State IFC Tri State
DIO7 Tri State SRQ Open Collector
(mandatory)
DIO8 Tri State ATN Tri State