(9)Input/Output Circuit Configuration and Input/Output Conditions:

 

Signal

Configuration

 

 

 

+5V

 

 

Data 1 ~ 8

SN74LS245 or equivalent

 

 

 

1K

 

 

 

 

Logic level

Input

 

+5V

(Input)

 

nStrobe/HostClk

“1” = 2 ~ 5 V

 

 

 

nInit/nInit

SN74LS14 or equivalent

“0” = 0 ~ 0.4 V

 

nAutoFd/HostBusy

1K

 

 

nSelectIn/IEEE1284 Active

 

 

 

 

 

 

100P

 

 

 

+5V

 

 

Busy/PtrBusy

SN7406 or equivalent

 

 

nFault/nDataAvail

 

 

1K

 

Output

nAck/PtrClk

 

 

 

 

Select/Xflag

100P

Logic level

 

PError/AckDataReq

(Input)

 

 

 

 

 

“1” = 2.4 ~ 5 V

 

 

 

“0” = 0 ~ 0.4 V

(10) Connector: Printer

 

Amp. Japan

552742-1 or equivalent

DDK

57RE-40360-73B or equivalent

Cable

 

Amp. Japan

552470-1 or equivalent

DDK

57E-30360 or equivalent

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Image 13
Toshiba B-850 manual Ddk, 57RE-40360-73B or equivalent, Cable Amp. Japan Or equivalent, 57E-30360 or equivalent