at7601fg AME, Inc., at7601fg Datasheet - Page 27

• Manufacturer Part Number: at7601fg
• Description: Printer Port Controller
• Manufacturer: AME, Inc.

Rev. B.02
AT7601F
TA = 0-70
Symbol
T10
T11
T12
T13
T14
T15
T16
T17
T18
T19
T20
T21
T22
T23
T24
T25
T26
T27
T28
T29
T30
T31
T32
T33
T1
T2
T3
T4
T5
T6
T7
T8
T9
O
C, Vcc = 5.0V
ANE setup to command active
Command width
ANE hold from command inactive
Data access from IOR# active
Data setup to IOW# inactive
Data hold from command inactive
PD [0:7], STB#, AFD#, INIT, SLIN#
delay from IOW# inactive
Interrupt delay from ACK#
Interrupt pre-charge pulse at release
TC pulse width
TC active to DRQ inactive
DRQ active to DACK# active
DRQ inactive delay from DACK# active
PD [0:7] setup to STB# active
STB# width
PD [0:7], hold from STB# inactive
PD [0:7], hold from BUSY inactive
STB# active to BUSY active
(handshake)
BUSY inactive to STROBE active
(cycle delay)
PD [0:7], AFD# setup to STB# active
PD [0:7], AFD#D hold from BUS active
STB# inactive to BUSY inactive
BUSY inactive to STB# active
STB# active to BUSY active
BUSY active to STB# inactive
PD [0:7], BUSY setup to ACK# active
PD [0:7], data hold from AFD# active
ACK# inactive to AFD# active
AFD# active to ACK# active
ACK# active to AFD# inactive
AFD# inactive to ACK# inactive
Host address setup to IOW# active
Host address hold from IOW# active
AME, Inc.
Parameter
10% unless otherwise specified.
Table 12. AC Electrical Characteristics
Min
40
60
40
10
60
5
0
Limits
Typ
600
600
450
680
80
80
80
80
80
80
40
10
0
0
0
0
0
0
0
Printer Port Controller
Max
100
100
100
100
500
180
200
180
200
200
60
10
60
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Conditions
27