
STD150
4-76
Samsung ASIC
PCI BUFFERS
Electrical Characteristics
DC Characteristics of PCI-X Mode (SEL = low)
AC Characteristics of PCI-X Mode (SEL = low)
Power/Slot Cell Name
VDD1IH_PCI
VDD3OP_PCI
VDD5O_PCI
VSS3I_PCI
VSS3OP_PCI
EV1IH_PCI
EV3OP_PCI
Description
1.2V power cell for internal core and PCI-X I/Os
3.3V power cell for PCI-X I/Os
V
IO
(3.3V or 5V) power cell for PCI-X I/Os
Gnd power cell for internal core;nor used for PCI-X I/Os
Gnd power cell for PCI-X I/Os
1.2V ESD protection slot cell for internal core and PCI-X I/Os
3.3V ESD protection slot cell for PCI-X I/Os
Symbol
Parameter
3.3V Signaling
5V Signaling
Unit
Condition
Min
Max
Condition
Min
Max
V
CC
V
IO
V
ih
V
il
I
i
V
oh
V
ol
Supply Voltage
3.0
3.6
3.0
3.6
V
V
IO
Voltage
Input High Voltage
V
CC
4.75
5.25
V
0.5V
CC
–0.5
V
CC
+0.5
0.35V
CC
10
1.9
V
IO
+0.5
0.9
V
Input Low Voltage
–0.5
V
Input Leakage Current
0 < V
IN
< V
CC
I
OUT
= –500
μ
A
I
OUT
= 1500
μ
A
–10
0 < V
IN
< V
IO
I
OUT
= –2mA
I
OUT
= 6mA
–70
70
μ
A
Output High Voltage
0.9V
CC
–
–
2.4
–
V
Output Low Voltage
0.1V
CC
–
0.55
V
Symbol
Parameter
Condition
Min
Max
Unit
I
oh (AC)
Switching Current High
0 < V
CC
–V
OUT
≤
3.6V
0 < V
CC
–V
OUT
≤
1.2V
1.2V < V
CC
–V
OUT
≤
1.9V
1.9V < V
CC
–V
OUT
≤
3.6V
0
≤
V
OUT
≤
3.6V
0 < V
OUT
≤
1.3V
1.3V < V
OUT
≤
3.6V
0 < V
CC
–V
OUT
≤
3.6V
–0.8875V < V
IN
≤
–0.625V
0.8875V
≤
V
IN
–V
CC
< 4V
0.625V < V
IN
–V
CC
< 0.8875V
PAD(0.3V
CC
) to PAD(0.6V
CC
)
PAD(0.6V
CC
) to PAD(0.3V
CC
)
A(0.5V
CC
) to PAD(0.425V
CC
)
A(0.5V
CC
) to PAD(0.425V
CC
)
PAD(0.425V
CC
) to Y(0.5V
CC
)
C
L
=1pF
PAD(0.425V
CC
) to Y(0.5V
CC
)
C
L
=1pF
–74(V
CC
–V
OUT
)
mA
–32(V
CC
–V
OUT
)
–11(V
CC
–V
OUT
) –25.2
–1.8(V
CC
–V
OUT
) –42.7
I
ol (AC)
Switching Current Low
100V
OUT
mA
48V
OUT
5.7V
OUT
+ 55
–40 + (V
IN
+1)/0.005
–25 + (V
IN
+1)/0.015
40 + (V
IN
–V
CC
–1)/0.005
25 + (V
IN
–V
CC
–1)/0.015
1.0
I
cl
Low Current Low
mA
I
ch
High Clamp Current
mA
T
r
T
f
T
phl
T
plh
Output Rise Time
6.0
V/ns
Output Fall Time
1.0
6.0
V/ns
Output Falling Prop. Delay
1.5
2.6
2.6
ns
Output Rising Prop. Delay
1.4
ns
T
phi_in
Output Falling Prop. Delay
0.35
0.8
ns
T
plh_in
Output Rising Prop. Delay
0.35
0.8
ns