// Data Connectors

GPIB IEEE 488 24-Pin

GPIB (IEEE-488) is the 24-pin parallel bus for connecting lab instruments to computers for automated test and measurement at up to 8 MB/s.

// Specifications

Standard

IEEE 488.1 IEC 60625

Pin Count

Max Speed

8 MB/s

Max Devices

15 per bus

Use Case

Lab automation, test equipment

// Pin Reference Table

Pin	Name	Function	Type
1	DIO1	Data bit 1	I/O
2	DIO2	Data bit 2	I/O
3	DIO3	Data bit 3	I/O
4	DIO4	Data bit 4	I/O
5	EOI	End or identify	I/O
6	DAV	Data valid	I/O
7	NRFD	Not ready for data	I/O
8	NDAC	Not data accepted	I/O
9	IFC	Interface clear	I/O
10	SRQ	Service request	I/O
11	ATN	Attention	I/O
12	Shield	Cable shield	GND
13	DIO5	Data bit 5	I/O
14	DIO6	Data bit 6	I/O
15	DIO7	Data bit 7	I/O
16	DIO8	Data bit 8	I/O
17	REN	Remote enable	I/O
18	GND	Ground DAV	GND
19	GND	Ground NRFD	GND
20	GND	Ground NDAC	GND
21	GND	Ground IFC	GND
22	GND	Ground SRQ	GND
23	GND	Ground ATN	GND
24	GND	Logic ground	GND