參數(shù)資料
型號: MCC5E0RX266WB0B
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 266 MHz, RISC PROCESSOR, CBGA840
封裝: 31 X 31 MM, 3.55 MM HEIGHT, 1 MM PITCH, CERAMIC, FCBGA-840
文件頁數(shù): 120/120頁
文件大小: 1711K
代理商: MCC5E0RX266WB0B
AC Timing Specifications
99
MOTOROLA GENERAL BUSINESS INFORMATION
C5ENPB0-DS REV 05
QMU SRAM (Internal
Mode) Timing
Specifications
The QMU SRAM (Internal Mode) timing specifications are shown in Figure 26 and
described in Table 57.
Figure 26 QMU SRAM (Internal Mode) Timing Diagram
QACLKI
Cycle 1
Cycle 2
Cycle 3
Cycle 4
Cycle 5
Q_ctl
QAn
QDn
(output)
QDn
(input)
Tqc
Tqdo
Tqco
Tqao
Tqdv
Tqds
Tqdz
Tqdh
Table 57 QMU SRAM (Internal Mode) Timing Description
SYMBOL PARAMETER
MIN
TYP
MAX
UNIT
COMMENT
Tqc
QMU Cycle Time
6.25
6.67
ns
With QMU on-board memory
With QMU memory daughter board
Tqco
QMU Ctrl Output
0.8
3.9
ns
Loading is 50
transmission line.
Tqao
QMU Addr Output
0.8
3.7
ns
Loading is 50
transmission line.
Tqds
QMU Data Setup
0.8
ns
Tqdh
QMU Data Hold
0.8
ns
Tqdo
QMU Data Output
0.9
4.0
ns
Loading is 50
transmission line.
Tqdz
QMU Data Clk to Tri* 0.9
4.0
ns
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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