
Title
Rev.
Page
HP-283 Technical Manual
Ver1.01
P.20
3-2-2) Parallel
1) Transmission : Parallel (IEEE-1284 Bi-directional compatibility)
2) Hand Shakes : STROBE,BUSY,ACK
3) Bi-direction : Nible mode
4) Connector : IEEE-1284 B 36pin receptacle
5) Electrical character :
IN/OUT
Singal
Mark
Standard
Condition
min
MAX
OUT
VOL
-
0.2V
IOL=0.1mA
VOH
4.75
5.25
IOL
-
-32mA
VCC=5V
IOH
-
32mA
IN
VIL
-
0.8V
VIH
2.0V
-
IOL
-
-25mA
VCC=5V
IOH
-
25mA
6) Data Receipant Timing
DATA
nSTB
BUSY
nACK
Sign
Name
Standard
min
MAX
t1
Data setup time
0.75
-
t2
STROBE range
0.75
-
t3
Data hold time
0.75
-
t4
BUSY output delay time
-
0.75
t5
ACK range
0.5(Typ.)
0.5(Typ.)
t6
BUSY release time
0.5(Typ.)
0.5(Typ.)
t1
t2
t3
t4
t5
t6