STP2001QFP Sun Microelectronics, STP2001QFP Datasheet - Page 10

• Manufacturer Part Number: STP2001QFP
• Description: Integrated SBus Interface Slave I/O Controller
• Manufacturer: Sun Microelectronics

STP2001.frm Page 10 Monday, August 25, 1997 2:46 PM
AC Characteristics: SBus Timing
AC Characteristics: EBus Timing
AC Characteristics: Miscellaneous Timing
1. This is the only violation of SBus Specification B.0. No known implementation to date provides less than 1.0 ns hold time on these
1. This clock must be run at 10 MHz (100 ns period) for correct software operation.
10
Signal #
Signal #
Signal #
signals.
f
10
11
12
13
14
15
16
17
18
19
20
SB
1
2
3
4
5
6
7
8
9
STP2001QFP
SBus clock frequency
Clock period
Clock high
Clock low
Hold WRT CLK rising
Setup to CLK rising
Setup to CLK rising
Hold WRT CLK rising
CLK rising to output valid
CLK rising to output invalid
CLK rising to output valid
CLK rising to output invalid
CLK rising to output low
CLK rising to output high
Setup to CLK rising
Hold WRT CLK rising
CLK rising to output valid
CLK rising to output invalid
CLK rising to output valid
CLK rising to output valid
10 MHz clock period
Parameter
Parameter
Parameter
Slave I/O
Integrated SBus Interface Slave I/O Controller
[1]
[1]
Conditions
100 pF load
100 pF load
100 pF load
100 pF load
100 pF load
100 pF load
Conditions
100 pF load
100 pF load
100 pF load
Conditions
100 pF load
16.7
40.0
17.0
17.0
15.0
15.0
15.0
Min
Min
Min
0.0
2.5
50
–
–
–
–
–
–
–
–
–
–
–
Max
25.0
60.0
22.5
22.5
22.5
25.0
22.5
22.5
Max
22.5
22.5
22.5
Max
22.5
1.0
2.0
–
–
–
–
–
–
–
Units
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
July 1997