MPC5554 datasheet(12/58 Pages) FREESCALE

Part #	MPC5554

Description	Microcontroller

PDF	58 Pages

Scroll/Zoom	100%

Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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12 / 58 page

MPC5554 Microcontroller Data Sheet, Rev. 4

Electrical Characteristics

Freescale Semiconductor

To avoid this condition, minimize the ramp time of the VDD supply to a time period less than the time

required to enable the external circuitry connected to the device outputs.

During initial power ramp-up, when Vstby is 0.6v or above. a typical current of 1-3mA and maximum of

4mA may be seen until VDD is applied. This current will not reoccur until Vstby is lowered below Vstby

min. specification.

Figure 2 shows an approximate interpolation of the ISTBY worst-case specification to estimate values at

different voltages and temperatures. The vertical lines shown at 25 C, 60 C, and 150 C in Figure 2 are

the actual IDD_STBY specifications (27d) listed in Table 9.

Figure 2. fISTBY Worst-case Specifications

MPC5554 Datasheet(PDF) 12 Page - Freescale Semiconductor, Inc