Isolated I/O Lines (A<1,2>, B<1,2>)

MultiCam Boards Documentation > GRABLINK series Documentation > GRABLINK Quickpack ColorScan Handbook > Board Specifications > DC/AC Characteristics > Isolated I/O Lines (A<1,2>, B<1,2>)

Isolated I/O Lines (A<1,2>, B<1,2>)

Isolated I/O characteristics

Parameter	Measurement condition	Min.	Typ.	Max.	Unit
High level output voltage		4.5	–	5.2	V
High level output current				8	mA
Low level output voltage		0	–	600	mV
Low level output current				100	mA
Input current	12V input, high level			5	mA
Input current	12V input, low level			50	µA
Input current	TTL input, high level			200	µA
Input current	TTL input, low level			2	mA

Output Mode

In the following schematics, the output pin corresponds to the A1, A2, B1 or B2 signals.

GrablinkOEqSchITTLOutModeHigh

Equivalent schematic in ITTL output mode in high state

GrablinkOEqSchITTLOutModeLow

Equivalent schematic in ITTL output mode in low state

GrablinkOEqSchITTLActLModeHigh

Equivalent schematic in ITTL active high mode

GrablinkOEqSchITTLActHModeLow

Equivalent schematic in ITTL active low mode

Input Mode

In the following schematics, the input pin corresponds to the A1, A2, B1 or B2 signals.

GrablinkIEqSchTTL

Equivalent schematic in ITTL input mode

GrablinkIEqSch12V

Equivalent schematic in I12V input mode