參數資料
型號： MPC8323EVRAFDC
廠商： Freescale Semiconductor
文件頁數： 7/82頁
文件大?。?/td> 0K
描述： IC MPU POWERQUICC II 516-PBGA
產品培訓模塊： MPC8323E PowerQUICC II Pro Processor
標準包裝： 40
系列： MPC83xx
處理器類型： 32-位 MPC83xx PowerQUICC II Pro
速度： 333MHz
電壓： 1V
安裝類型： 表面貼裝
封裝/外殼： 516-BBGA
供應商設備封裝： 516-FPBGA（27x27）
包裝： 托盤
配用： MPC8323E-RDB-ND - BOARD REFERENCE DESIGN
MPC8323E PowerQUICC II Pro Integrated Communications Processor Family Hardware Specifications, Rev. 4
Freescale Semiconductor
15
DDR1 and DDR2 SDRAM
6.2
DDR1 and DDR2 SDRAM AC Electrical Characteristics
This section provides the AC electrical characteristics for the DDR1 and DDR2 SDRAM interface.
6.2.1
DDR1 and DDR2 SDRAM Input AC Timing Specifications
Table 16 provides the input AC timing specifications for the DDR2 SDRAM (Dn_GVDD(typ) = 1.8 V).
Table 17 provides the input AC timing specifications for the DDR1 SDRAM (Dn_GVDD(typ) = 2.5 V).
Table 18 provides the input AC timing specifications for the DDR1 and DDR2 SDRAM interface.
Table 16. DDR2 SDRAM Input AC Timing Specifications for 1.8-V Interface
At recommended operating conditions with D
n_GVDD of 1.8 ± 5%.
Parameter
Symbol
Min
Max
Unit
Notes
AC input low voltage
VIL
—
MVREF
nREF – 0.25
V
—
AC input high voltage
VIH
MVREF
nREF + 0.25
—
V
—
Table 17. DDR1 SDRAM Input AC Timing Specifications for 2.5 V Interface
At recommended operating conditions with D
n_GVDD of 2.5 ± 5%.
Parameter
Symbol
Min
Max
Unit
Notes
AC input low voltage
VIL
—
MVREF
nREF – 0.31
V
—
AC input high voltage
VIH
MVREF
nREF + 0.31
—
V
—
Table 18. DDR1 and DDR2 SDRAM Input AC Timing Specifications
At recommended operating conditions with D
n_GVDD of (1.8 or 2.5 V) ± 5%.
Parameter
Symbol
Min
Max
Unit
Notes
Controller skew for MDQS—MDQ/MDM
tCISKEW
ps
1, 2
266 MHz
200 MHz
–750
–1250
750
1250
Notes:
1. tCISKEW represents the total amount of skew consumed by the controller between MDQS[n] and any corresponding bit that
is captured with MDQS[n]. This should be subtracted from the total timing budget.
2. The amount of skew that can be tolerated from MDQS to a corresponding MDQ signal is called tDISKEW. This can be
determined by the following equation: tDISKEW = ±(T/4 – abs(tCISKEW)) where T is the clock period and abs(tCISKEW) is the
absolute value of tCISKEW.
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相關代理商/技術參數
參數描述
MPC8323EVRAFDCA 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Integrated Communications Processor Family Hardware Specifications
MPC8323EZQADDC 功能描述:微處理器 - MPU 8323 PBGA W/ ENCR RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數據總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數據 RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324
MPC8323EZQADDCA 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Integrated Communications Processor Family Hardware Specifications
MPC8323EZQAFDC 功能描述:微處理器 - MPU 8323 PBGA W/ENCR RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數據總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數據 RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324
MPC8323EZQAFDCA 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:PowerQUICC? II Pro Integrated Communications Processor Family Hardware Specifications
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