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MB91F577CSPMC Datasheet(PDF) 139 Page - Cypress Semiconductor

Part # MB91F577CSPMC
Description  32-bit RISC, load/store architecture, 5-stage pipeline
PDF  163 Pages
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Manufacturer  CYPRESS [Cypress Semiconductor]
Direct Link  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

MB91F577CSPMC Datasheet(HTML) 139 Page - Cypress Semiconductor

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Document Number: 002-04725 Rev.*A
Page 139 of 163
MB91570 Series
13.4.9
NMI input timing
(TA: Recommended operating conditions, VCC5 = 5.0V±10%, VSS = AVSS = 0.0V)
Parameter
Symbol
Pin name
Conditions
Value
Unit
Min
Max
Input pulse width
tNMIL
NMIX
–
4tCPP
–
ns
NMIX input timing
VIH
NMIX
t NMIL
VIH
VIL
VIL
13.4.10 Low voltage detection (External low-voltage detection)
(TA: Recommended operating conditions, VSS = AVSS = 0.0V)
Parameter
Symbol
Pin name
Conditions
Value
Unit
Remarks
Min
Typ
Max
Power supply voltage range
VCC5
VCC5
–
–
–
5.5
V
Detection voltage
VDL
VCC5
*1
3.9
4.1
4.3
V
When power-supply
voltage falls and
detection level is set
initially
Hysteresis width
VHYS
VCC5
–
–
–
125
mV
When power-supply
voltage rises
Low voltage detection time
Td
–
–
–
–
30
μs
Power supply voltage fluctuation
rate
–
VCC5
–
-2
–
2
V/ms
*2
*1: If the power supply voltage fluctuates within the time less than the low-voltage detection time (Td), there is a possibility that the
low-voltage detection will occur or stop after the power supply voltage passes the detection range.
*2: In order to perform the low-voltage detection at the detection voltage (VDL), be sure to suppress fluctuation of the power supply
voltage within the limits of the power supply voltage fluctuation rate.



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