参数资料
型号: MC33742SDW
厂商: Freescale Semiconductor
文件页数: 8/71页
文件大小: 0K
描述: IC SYSTEM BASE W/LIN 28-SOIC
标准包装: 26
应用: 自动
接口: SPI
电源电压: 5.5 V ~ 18 V
封装/外壳: 28-SOIC(0.295",7.50mm 宽)
供应商设备封装: 28-SOIC W
包装: 管件
安装类型: 表面贴装
配用: KIT33742DWEVB-ND - KIT FOR 33742 SBC WITH EHSCAN
Analog Integrated Circuit Device Data
16
Freescale Semiconductor
33742
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
Table 6. Dynamic Electrical Characteristics
Characteristics noted under conditions 4.75 V
V2 5.25 V, 5.5 V VSUP 18 V, and -40 C TA 125 C. Typical values
noted reflect the approximate parameter mean at TA = 25 C under nominal conditions, unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
DIGITAL INTERFACE TIMING (SCLK, CS, MOSI, MISO)(29)
SPI Operation Frequency
fREQ
0.25
4.0
MHz
SCLK Clock Period
tPCLK
250
N/A
ns
SCLK Clock High Time
tWSCLKH
125
N/A
ns
SCLK Clock Low Time
tWSCLKL
125
N/A
ns
Falling Edge of CS to Rising Edge of SCLK
tLEAD
100
N/A
ns
Falling Edge of SCLK to Rising Edge of CS
tLAG
100
N/A
ns
MOSI to Falling Edge of SCLK
tSISU
40
N/A
ns
Falling Edge of SCLK to MOSI
tSIH
40
N/A
ns
MISO Rise Time(30)
CL = 220 pF
tRSO
25
50
ns
MISO Fall Time(30)
CL = 220 pF
tFSO
25
50
ns
Time from Falling or Rising Edges of CS
MISO Low-impedance
MISO High-impedance
tSOEN
tSODIS
50
ns
Time from Rising Edge of SCLK to MISO Data Valid
0.2 VDD MISO 0.8 VDD, CL = 200 pF
tVALID
50
ns
STATE MACHINE TIMING (CS, SCLK, MOSI, MISO, WDOG, INT)
Delay Between CS LOW-to-HIGH Transition (at End of SPI Stop Command)
and Stop mode Activation(31)
tCS-STOP
18
34
s
Interrupt Low-level Duration
Stop Mode
tINT
7.0
10
13
s
Internal Oscillator Frequency(32)
fOSC
100
kHz
Notes
29.
30.
Not production tested. Guaranteed by design.
31.
Not production tested. Guaranteed by design. Detected by V2 OFF.
32.
fOSC is indirectly measured (1.0 ms reset) and trimmed.
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