PSD835G2 datasheet(78/102 Pages) STMICROELECTRONICS

부품명	PSD835G2

상세설명	Flash PSD, 5V Supply, for 8-bit MCUs 4 Mbit 256 Kbit Dual Flash Memories and 64 Kbit SRAM

PDF	102 Pages

Scroll/Zoom	100%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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78 / 102 page

PSD835G2

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AC/DC PARAMETERS

The tables provided below describe the AD and

DC parameters of the PSD:

❏

DC Electrical Specification

❏

AC Timing Specification

■

PLD Timing

–

Combinatorial Timing

–

Synchronous Clock Mode

–

Asynchronous Clock Mode

–

Input Macrocell Timing

■

MCU Timing

–

READ Timing

–WRITE Timing

–

Peripheral Mode Timing

–

Power-down and Reset Timing

The following are issues concerning the parame-

ters presented:

–

In the DC specification the supply current is

given for different modes of operation. Before

calculating the total power consumption,

determine the percentage of time that the PSD

is in each mode. Also, the supply power is

considerably different if the Turbo Bit is '0.'

–

The AC power component gives the PLD,

Flash memory, and SRAM mA/MHz

specification. Figure 34 show the PLD mA/

MHz as a function of the number of Product

Terms (PT) used.

–

In the PLD timing parameters, add the

required delay when Turbo Bit is '0.'

Figure 34. PLD ICC /Frequency Consumption

100

110

VCC = 5V

010

HIGHEST COMPOSITE FREQUENCY AT PLD INPUTS (MHz)

TUR

(100%

)

TURBO

(25%)

TURBO

OFF

PT 100%

PT 25%

AI02894

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