© 2010 Advanced Micro Devices, Inc.
47062 SR5650 Databook 2.00
Proprietary
5-1
Chapter 5
Electrical Characteristics and Physical Data
5.1
Electrical Characteristics
5.1.1
Maximum and Minimum Ratings
5.1.2
DC Characteristics
Table 5-1 DC Characteristics for PCIe
®
Differential Clocks (GPP1_REFCLK and GPP3_REFCLK at 100MHz)
Table 5-1 Power Rail Maximum and Minimum Voltage Ratings
Pin
Typical
DC Limit*
AC Limit*
Unit
Comments
Min.
Max.
Min.
Max.
VDDC
1.1
1.067
1.133
1.045
1.155
V
Core power
VDD18
1.8
1.746
1.854
1.71
1.89
V
1.8V I/O Powers
VDDPCIE
1.1
1.067
1.133
1.045
1.155
V
PCI Express
®
Interface Main I/O
Power
VDDA18PCIE
1.8
1.746
1.854
1.71
1.89
V
PCI Express interface 1.8V I/O and
PLL power
VDDHT
1.1
1.067
1.133
1.045
1.155
V
HyperTransport™ Interface digital
I/O power
VDDHTTX
1.2
1.164
1.236
1.14
1.26
V
HyperTransport Transmit Interface
I/O power
VDDA18HTPLL
1.8
1.746
1.854
1.71
1.89
V
HyperTransport interface 1.8V PLL
power
* Note:
The voltage set-point must be contained within the DC specification in order to ensure proper operation. Voltage ripple and transient
events outside the DC specification must remain within the AC specification at all times. Transients must return to within the DC specification
within 20
s
.
Table 5-2 Power Rail Current Ratings
Power Rail
Min. Load
Average
Current
(A)
Max. Load
Average
Current
(A)
Max. Average
Power-on
Current
(A)
Max. Step Load
Size
(A)
Max. Slew Rate
(A/µs)
VDDC
0.62
4.59
4.59
3.97
201
VDD18
0.00048
0.00051
0.00051
0.00003
-
VDDPCIE
0.31
2.54
3.17
2.86
22
VDDA18PCIE
0.02
0.78
0.91
0.89
16
VDDHT
0.23
1.94
1.94
1.71
26
VDDHTTX
0.08
0.51
0.51
0.43
7.3
VDDA18HTPLL
0.007
0.013
0.013
0.006
-
Symbol
Description
Minimum
Maximum
Unit
V
IL
Differential Input Low Voltage
-
-150
mV
V
IH
Differential Input High Voltage
+150
-
mV
V
CROSS
Absolute Crossing Point Voltage
+250
+550
mV
V
CROSS DELTA
Variation of V
CROSS
over all rising
clock edges
-
+140
mV
V
RB
Ring-back Voltage Margin
-100
+100
mV