参数资料
型号: MC34910BAC
厂商: Freescale Semiconductor
文件页数: 16/90页
文件大小: 0K
描述: IC SYSTEM BASIS CHIP LIN 32-LQFP
标准包装: 250
应用: 系统基础芯片
电流 - 电源: 4.5mA
电源电压: 5.5 V ~ 27 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-LQFP
供应商设备封装: 32-LQFP(7x7)
包装: 托盘
MC33910G5AC/MC3433910G5AC
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
Table 5. Dynamic Electrical Characteristics
Characteristics noted under conditions 5.5 V ≤ V SUP ≤ 18 V, -40°C ≤ T A ≤ 125°C for the 33910 and -40°C ≤ T A ≤ 85°C for the
34910, 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 TIMING (SEE Figure 13 )
SPI Operating Frequency
SCLK Clock Period
SCLK Clock High Time (42)
SCLK Clock Low Time (42)
Falling Edge of CS to Rising Edge of SCLK (42)
Falling Edge of SCLK to CS Rising Edge (42)
MOSI to Falling Edge of SCLK (42)
Falling Edge of SCLK to MOSI (42)
f SPIOP
t PS CLK
t W SCLKH
t W SCLKL
t LEAD
t LAG
t SISU
t SIH
250
110
110
100
100
40
40
4.0
N/A
N/A
N/A
N/A
N/A
N/A
N/A
MHz
ns
ns
ns
ns
ns
ns
ns
MISO Rise Time (42)
t RSO
ns
C L = 220 pF
MISO Fall Time (42)
C L = 220 pF
Time from Falling or Rising Edges of
CS to: (42)
t FSO
40
40
ns
ns
- MISO Low-impedance
- MISO High-impedance
Time from Rising Edge of SCLK to MISO Data Valid (42)
0.2 x V DD ≤ MISO ≥ 0.8 x V DD , C L = 100 pF
t SOEN
t SODIS
t VALID
0.0
0.0
0.0
50
50
75
ns
RST OUTPUT PIN
Reset Low-level Duration After V DD High (see Figure 12 )
Reset Deglitch Filter Time
t RST
t RSTDF
0.65
350
1.0
480
1.35
900
ms
ns
WINDOW WATCHDOG CONFIGURATION PIN (WDCONF)
Watchdog Time Period (43)
t PWD
ms
External Resistor R EXT = 20 k Ω (1%)
External Resistor R EXT = 200 k Ω (1%)
Without External Resistor R EXT (WDCONF Pin Open)
8.5
79
110
10
94
150
11.5
108
205
Notes
42. This parameter is guaranteed by process monitoring but not production tested.
43. Watchdog timing period calculation formula: t PWD [ms] = [0.466 * (R EXT - 20)] + 10 with (R EXT in k Ω)
33910
Analog Integrated Circuit Device Data
16
Freescale Semiconductor
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