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MPC8247VRB Datasheet(PDF) 7 Page - Freescale Semiconductor, Inc |
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MPC8247VRB Datasheet(HTML) 7 Page - Freescale Semiconductor, Inc |
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7 / 60 page  MPC8272 PowerQUICC II™ Family Hardware Specifications, Rev. 1.5 Freescale Semiconductor 7 Operating Conditions – 60x-to-PCI to PCI-to-60x – PCI-to-60x to PCI-to-60x – 60x-to-PCI to 60x-to-PCI — Includes the configuration registers required by the PCI standard (which are automatically loaded from the EPROM to configure the MPC8272) and message and doorbell registers — Supports the I2O standard — Hot-Swap friendly (supports the Hot Swap Specification as defined by PICMG 2.1 R1.0 August 3, 1998) — Support for 66-MHz, 3.3-V specification — 60x-PCI bus core logic, which uses a buffer pool to allocate buffers for each port 2 Operating Conditions Table 3 shows the maximum electrical ratings. Table 4 lists recommended operational voltage conditions. Table 3. Absolute Maximum Ratings 1 1 Absolute maximum ratings are stress ratings only; functional operation (see Table 4) at the maximums is not guaranteed. Stress beyond those listed may affect device reliability or cause permanent damage. Rating Symbol Value Unit Core supply voltage 2 2 Caution: VDD/VCCSYN must not exceed VDDH by more than 0.4 V during normal operation. It is recommended that VDD/VCCSYN should be raised before or simultaneous with VDDH during power-on reset. VDD/VCCSYN may exceed VDDH by more than 0.4 V during power-on reset for no more than 100 ms. VDD –0.3 – 2.25 V PLL supply voltage2 VCCSYN –0.3 – 2.25 V I/O supply voltage 3 3 Caution: VDDH can exceed VDD/VCCSYN by 3.3 V during power on reset by no more than 100 mSec. VDDH should not exceed VDD/VCCSYN by more than 2.5 V during normal operation. VDDH –0.3 – 4.0 V Input voltage 4 4 Caution: VIN must not exceed VDDH by more than 2.5 V at any time, including during power-on reset. VIN GND(–0.3) – 3.6 V Junction temperature Tj 120 °C Storage temperature range TSTG (–55) – (+150) °C Table 4. Recommended Operating Conditions 1 Rating Symbol Value Unit Core supply voltage VDD 1.425 – 1.575 V PLL supply voltage VCCSYN 1.425 – 1.575 V I/O supply voltage VDDH 3.135 – 3.465 V Input voltage VIN GND (-0.3) – 3.465 V |
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