參數(shù)資料
型號: IBM25PPC405EP-3GB133CZ
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 133.33 MHz, RISC PROCESSOR, PBGA385
封裝: 31 MM, ENHANCED, PLASTIC, BGA-385
文件頁數(shù): 33/52頁
文件大?。?/td> 992K
代理商: IBM25PPC405EP-3GB133CZ
Preliminary
PowerPC 405EP Embedded Processor Data Sheet
6/9/03
Page 39 of 52
Note:
1. For a chip mounted on a JEDEC 2S2P card without a heat sink.
2. For a chip mounted on a card with at least one signal and two power planes, the following relationships exist:
a. Case temperature, TC, is measured at top center of case surface with device soldered to circuit board.
b. TA = TC – P×θCA, where TA is ambient temperature and P is power consumption.
c. TCMax = TJMax – P×θJC, where TJMax is maximum junction temperature and P is power consumption.
Absolute Maximum Ratings
The absolute maximum ratings below are stress ratings only.
Operation at or beyond these maximum ratings can cause
permanent damage to the device. None of the performance specification contained in this document are guaranteed
when operating at these maximum ratings.
Characteristic
Symbol
Value
Unit
Supply Voltage (Internal Logic)
VDD
0 to +1.95
V
Supply Voltage (I/O Interface)
OVDD
0 to +3.6
V
PLL Supply Voltage
AVDD
0 to +1.95
V
Input Voltage (1.8 V CMOS receivers)
VIN
0 to +1.95
V
Input Voltage (3.3 V LVTTL receivers)
VIN
0 to +3.6
V
Input Voltage (5.0 V LVTTL receivers)
VIN
0 to +5.5
V
Storage Temperature Range
TSTG
-55 to +150
°C
Case temperature under bias
TC
-40 to +120
°C
Note: All specified voltages are with respect to GND.
Package Thermal Specifications
The PPC405EP is designed to operate within a case temperature range of -40°C to +85°C. Thermal resistance values for
the E-PBGA packages in a convection environment are as follows:
Package—Thermal Resistance
Symbol
Airflow
ft/min (m/sec)
Unit
0 (0)
100 (0.51)
200 (1.02)
31 mm, 385-balls—Junction-to-Case
θ
JC
222
°C/W
31 mm, 385-balls—Case-to-Ambient1
θ
CA
17.8
16.8
16.1
°C/W
Recommended DC Operating Conditions (Part 1 of 2)
Device operation beyond the conditions specified is not recommended. Extended operation beyond the recommended
conditions can affect device reliability.
Notes:
1. PCI drivers meet PCI specifications.
Parameter
Symbol
Minimum
Typical
Maximum
Unit
Notes
Logic Supply Voltage (133, 200, 266MHz)
VDD
+1.65
+1.8
+1.95
V
Logic Supply Voltage (333 MHz)
VDD
+1.7
+1.8
+1.9
V
I/O Supply Voltage
OVDD
+3.0
+3.3
+3.6
V
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