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STP2230SOP
Crossbar Switch
XB1
July 1997
AC Characteristics - Clock Signal
1. Note:
tCO is specified with a 50 pF loading. This timing improves with a 3.1 nS with a 25 pF loading.
DC Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Units
VIL
Voltage input low
–
0.8
V
VIH
Voltage input high
2.0
–
V
VIL
PECL clock voltage input low
1.6
V
VIH
PECL clock voltage input high
2.4
V
VDIFF
Input differential voltage (PECL inputs)
0.8
V
VOL
Voltage output low
IOL = 8 mA
–
0.2
0.5
V
VOH
Voltage output high
IOH = -8 mA
2.4
–
V
ICC
VCC input current
135
mA
IDD
VDD input current
35
mA
AC Characteristics
Symbol
Parameter
-83
-100
Unit
Min
Typ
Max
Min
Typ
Max
tCO,UPA
Clock to output for processor and I/O ports [1]
5.4
5.4
ns
tVO,UPA
Clock to output for processor and I/O ports
0.5
0.5
ns
tCO,M
Clock to output for memory port
6
6
ns
tVO,M
Clock to output valid for memory port
TBD
TBD
ns
tSPI
Input setup time for processor and I/O ports
2.0
2.0
ns
tSM
Input setup time for memory port
4.0
4.0
ns
tHPI
Input hold time for processor and I/O ports
0.5
0.5
ns
tHM
Input hold time for memory port
2.0
2.0
ns
tCYCLE
Clock cycle time
12
10
ns
tWL
Clock minimum low width
5.4
4.4
ns
tWH
Clock minimum high width
5.4
4.4
ns
Symbol
Parameter
-83
-100
Unit
Min
Typ
Max
Min
Typ
Max
FCLK
Clock Frequency
0.1
-
83.4
0.1
-
100
MHz