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参数资料
| 型号： | MPC8240LZU250X |
| 厂商： | MOTOROLA INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, 250 MHz, RISC PROCESSOR, PBGA352 |
| 封装： | TBGA-352 |
| 文件页数： | 3/52页 |
| 文件大小： | 542K |
| 代理商： | MPC8240LZU250X |
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MPC8240 (rev0.5) Hardware Specifications
11
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Electrical and Thermal Characteristics
1.4.1.4 Output Driver Characteristics
Table 4 provides information on the characteristics of the output drivers referenced in Table 17. The values
are from the MPC8240 IBIS model (v1.1 IBIS, v1.2 le) and are not tested, for additional detailed
information see the complete IBIS model listing at http://www.mot.com/SPS/PowerPC/teksupport/tools/
IBIS/kahlua_1.ibs.txt
Notes:
1
For DRV_PCI, IOH read from the listing in the pull-up mode, I(Min) column, at the 0.33V label by interpo-
lating between the 0.3 V and 0.4 V table entries’ current values which corresponds to the PCI VOH = 2.97
= 0.9*LVdd (LVdd = 3.3 V) where Table Entry Voltage = LVdd - PCI VOH.
2
For all others with Ovdd or GVdd = 3.3 V, IOH read from the listing in the pull-up mode, I(Min) column, at
the 0.9 V table entry which corresponds to the VOH = 2.4 V where Table Entry Voltage = O/GVdd - PCI
VOH.
3
For DRV_PCI, IOL read from the listing in the pull-down mode, I(Max) column, at 0.33 V = PCI VOL =
0.1*LVdd (LVdd = 3.3 V) by interpolating between the 0.3 V and 0.4 V table entries.
4
For all others with OVdd or GVdd = 3.3 V, IOL read from the listing in the pull-down mode, I(Max) column,
at the 0.4 V table entry.
Table 4. Drive Capability of MPC8240 Output Pins
Driver Type
Programmable
Output
Impedance (Ohms)
Supply
Voltage
IOH
IOL
Units
Notes
DRV_STD
20
OVdd = 3.3V
36.7
30.0
mA
2, 4
40 (default)
OVdd = 3.3V
18.7
15.0
mA
2, 4
DRV_PCI
25
LVdd = 3.3
11.0
20.6
mA
1, 3
LVdd = 5.0
5.6
10.3
mA
1, 3
50 (default)
LVdd = 3.3
5.6
10.3
mA
1, 3
LVdd = 5.0
5.6
10.3
mA
1, 3
DRV_MEM_ADDR
DRV_PCI_CLK
8 (default)
GVdd = 3.3
89.0
76.3
mA
2, 4
13.3
GVdd = 3.3
55.9
46.4
mA
2, 4
20
GVdd = 3.3
36.7
30.0
mA
2, 4
40
GVdd = 3.3
18.7
15.0
mA
2, 4
DRV_MEM_DATA
20 (default)
GVdd = 3.3
36.7
30.0
mA
2, 4
40
GVdd = 3.3
18.7
15.0
mA
2, 4
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