MB96F348CWCPMC-GSE2 datasheet(59/109 Pages) CYPRESS

59 / 109 page

MB96340 Series

Document Number: 002-04579 Rev. *A

Page 59 of 109

[1]: AVCC and VCC must be set to the same voltage. It is required that AVCC does not exceed VCC and that the voltage at the analog

inputs does not exceed AVCC neither when the power is switched on.

[2]: VI and VO should not exceed VCC + 0.3 V. VI should also not exceed the specified ratings. However if the maximum current

to/from a input is limited by some means with external components, the ICLAMP rating supersedes the VI rating. Input/output voltages

of standard ports depend on VCC.

[3]:

■ Applicable to all general purpose I/O pins (Pnn_m)

■ Use within recommended operating conditions.

■ Use at DC voltage (current)

■ The +B signal should always be applied a limiting resistance placed between the +B signal and the microcontroller.

■ The value of the limiting resistance should be set so that when the +B signal is applied the input current to the microcontroller pin

does not exceed rated values, either instantaneously or for prolonged periods.

■ Note that when the microcontroller drive current is low, such as in the power saving modes, the +B input potential may pass through

the protective diode and increase the potential at the VCC pin, and this may affect other devices.

■ Note that if a +B signal is input when the microcontroller power supply is off (not fixed at 0 V), the power supply is provided from

the pins, so that incomplete operation may result.

■ Note that if the +B input is applied during power-on, the power supply is provided from the pins and the resulting supply voltage may

not be sufficient to operate the Power reset (except devices with persistent low voltage reset in internal vector mode).

Sample recommended circuits:

Permitted Power dissipation (Mask ROM devices) [4]

350

TA=105oC

360

TA=125oC [6]

Operating ambient temperature

0+70

MB96V300B

-40

+105

-40

+125

[6]

Storage temperature

TSTG

-55

+150

Parameter

Symbol

Rating

Unit

Remarks

Min

Max

P-ch

N-ch

VCC

Protective Diode

Limiting

resistance

+B input (0V to 16V)

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