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MB91F525FHDPMC 数据表(PDF) 148 Page - Cypress Semiconductor

部件名 MB91F525FHDPMC
功能描述  32-bit FR81S Microcontroller
PDF  280 Pages
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制造商  CYPRESS [Cypress Semiconductor]
网页  http://www.cypress.com
标志 CYPRESS - Cypress Semiconductor

MB91F525FHDPMC 数据表(HTML) 148 Page - Cypress Semiconductor

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Document Number: 002-04662 Rev. *F
Page 148 of 280
MB91520 Series
(3-2) [MB9152xxxE]
(TA: -40 °C to +125 °C, VSS = 0.0 V)
Parameter
Symbol
Pin
Name
Conditions
Value
Unit
Remarks
Min
Typ
Max
Level detection
voltage
–
VCC
–
2.024
2.2
2.376
V
Level detection
hysteresis width
–
VCC
–
–
100
–
mV
Level detection time
–
–
–
–
–
30
µs
*1
Power off time
tOFF1
VCC
Vcc ≤ 0.2 V
50
–
–
ms
*2
tOFF2
VCC
Vcc ≤ 1.3 V
100
–
–
µs
*4
Power ramp rate
dV/dt
VCC
VCC:
0.2 V to 2.376 V
(tOFF1 <50 ms )
–
–
50
mV/µs *3
dV/dt
VCC
VCC:
1.3 V to 2.376 V
(tOFF2
≥ 100 µs)
–
–
1000
mV/µs *4
C pin voltage at
Power-on
–
C
–
–
–
60
mV
*5
Maximum ramp rate
guaranteed to not
generate power-on
reset
|dV/dt|
Vcc
VCC:
Between 2.4 V
and 4.5 V
–
–
50
mV/µs *6
*1: The specified level detection time applies only for power ramp rate of 1000 mV/µs or less.
*2: Vcc must be held below 0.2 V for a minimum period of tOFF1.
*3: Power-on can detect by satisfying power ramp rate when tOFF1 is not satisfied.
*4: Vcc must be held below 1.3 V for a minimum period of tOFF2.
Power ramp rate must be 1000 mV/µs or less from 1.3 V to 2.376 V.
Power-on can detect by satisfying power ramp rate and power off time.
*5: C-pin voltage is below 60 mV when VCC is turned on again.
*6: This specification is specified the power supply fluctuation after power on detection. When VCC voltage is
between 2.4 V and 4.5 V, the power supply fluctuation is below 50 mV/us, the detection of power-on is suppressed.
The power-on does not detect in any power fluctuation between 4.5 V and 5.5 V.
Note: When using MB91F52xxxE, either *2 or *3 or *4 or *5 must be satisfied. When neither *2 nor *3 nor *4 nor *5
can be satisfied, assert external reset (RSTX) at power-up and at any brownout event.
Power off time, Power ramp rate, C pin voltage at Power-on
VCC
tOFF1
0.2V
0.2V
dV/dt
C pin
=60mV
50ms
50mV/us
*2
*3
*5
*4
VCC
tOFF2
1.3V
1.3V
100us
dV/dt
2.376V
VCC
VCC
≤60mV



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