参数资料
型号: SPC5643AF0MLU2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: MICROCONTROLLER, PQFP176
封装: 24 X 24 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, LEAD FREE, LQFP-176
文件页数: 18/142页
文件大小: 886K
代理商: SPC5643AF0MLU2
MPC5644A Microcontroller Data Sheet, Rev. 4
Preliminary—Subject to Change Without Notice
Electrical characteristics
Freescale Semiconductor
114
Figure 18. CLKOUT timing
6tCOV
CC
P
CLKOUT Posedge to Output Signal Valid
(Output Delay)
ADDR[8:31]
CS[0:3]
DATA[0:31]
OE
RD_WR
TS
WE[0:3]/BE[0:3]
—9
ns
7tCIS
CC
P
Input Signal Valid to CLKOUT Posedge
(Setup Time)
DATA[0:31]
6.0
ns
8tCIH
CC
P
CLKOUT Posedge to Input Signal Invalid
(Hold Time)
DATA[0:31]
1.0
ns
9tAPW
CC
P
ALE Pulse Width4
6.5
ns
10
tAAI
CC
P
ALE Negated to Address Invalid4
1.55
—ns
1 External Bus and Calibration bus timing specified at f
SYS = 150 MHz and 100 MHz, VDD = 1.14 V to 1.32 V,
VDDE = 3 V to 3.6 V (unless stated otherwise), TA =TL to TH, and CL = 30 pF with DSC = 0b10.
2 The external bus is limited to half the speed of the internal bus. The maximum external bus frequency is 66 MHz
for 16-bit muxed mode and 33 MHz for non-muxed mode. For The EBI division factor should be set accordingly
based on the internal frequency being used.
3 Refer to Fast Pad timing in Table 32 and Table 33 (different values for 1.8 V vs. 3.3 V).
4 Measured at 50% of ALE.
5 When CAL_TS pad is used for CAL_ALE function the hold time is 1 ns instead of 1.5 ns.
Table 40. External bus interface (EBI) and calibration bus operation timing 1 (continued)
#
Symbol
C
Characteristic
66 MHz (ext. bus)2
Unit
Notes
Min
Max
1
2
3
4
CLKOUT
VDDE/2
Vol_f
Voh_f
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