参数资料
型号: MC33984BPNAR2
厂商: Freescale Semiconductor
文件页数: 14/39页
文件大小: 0K
描述: IC SWITCH HI SIDE DUAL 16-PQFN
标准包装: 1,200
类型: 高端
输入类型: SPI
输出数: 2
导通状态电阻: 4 毫欧
电源电压: 6 V ~ 27 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-PowerDFN
供应商设备封装: 16-PQFN(12x12)
包装: 带卷 (TR)
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
Table 5. Dynamic Electrical Characteristics (continued)
Characteristics noted under conditions 4.5 V ? V DD ? 5.5 V, 6.0 V ? V PWR ? 27 V, -40 ? C ? T A ? 125 ? C, unless otherwise noted.
Typical values noted reflect the approximate parameter mean at T A = 25 ? C under nominal conditions, unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
SPI INTERFACE CHARACTERISTICS
Recommended Frequency of SPI Operation
f SPI
3.0
MHz
Required Low State Duration for
RST (24)
t WRST
50
350
ns
Rising Edge of CS to Falling Edge of CS (Required Setup Time)
t CS
300
ns
Rising Edge of RST to Falling Edge of CS (Required Setup Time) (25)
t ENBL
5.0
? s
Falling Edge of CS to Rising Edge of SCLK (Required Setup Time)
Required High State Duration of SCLK (Required Setup Time) (25)
t LEAD
t WSCLKh
50
167
167
ns
ns
Required Low State Duration of SCLK (Required Setup Time)
t WSCLKl
167
ns
Falling Edge of SCLK to Rising Edge of CS (Required Setup Time) (25)
t LAG
50
167
ns
SI to Falling Edge of SCLK (Required Setup
Falling Edge of SCLK to SI (Required Setup
Time) (26)
Time) (26)
t SI(SU)
t SI(HOLD)
25
25
83
83
ns
ns
SO Rise Time
t RSO
ns
C L = 200 pF
SO Fall Time
C L = 200 pF
t FSO
25
25
50
50
ns
SI, CS , SCLK, Incoming Signal Rise Time (26)
t RSI
50
ns
SI, CS , SCLK, Incoming Signal Fall
Time (26)
t RSI
50
ns
Time from Falling Edge of CS to SO Low-impedance (27)
t SO(EN)
145
ns
Time from Rising Edge of CS to SO
High-impedance (28)
t SO(DIS)
65
145
ns
Time from Rising Edge of SCLK to SO Data Valid (29)
t VALID
ns
0.2 x V DD ?? SO ? 0.8 x V DD , C L = 200 pF
65
105
Notes
24.
25.
26.
27.
28.
29.
RST low duration measured with outputs enabled and going to OFF or disabled condition.
Maximum setup time required for the 33984 is the minimum guaranteed time needed from the microcontroller.
Rise and Fall time of incoming SI, CS , and SCLK signals suggested for design consideration to prevent the occurrence of double pulsing.
Time required for output status data to be available for use at SO. 1.0 k ?? on pull-up on CS .
Time required for output status data to be terminated at SO. 1.0 k ?? on pull-up on CS .
Time required to obtain valid data out from SO following the rise of SCLK.
33984
Analog Integrated Circuit Device Data ?
14
Freescale Semiconductor
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