PSD833F2 datasheet(96/128 Pages) STMICROELECTRONICS

부품명	PSD833F2

상세설명	Flash in-system programmable (ISP) peripherals

PDF	128 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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96 / 128 page

AC/DC parameters

PSD8XXFX

96/128

Doc ID 7833 Rev 7

Table 42.

AC signal letters for PLD timing(1)

Example: tAVLX = time from address valid to ALE invalid.

Letter

Signal description

Address input

CEout output

Input data

E output

Internal WDOG_ON signal

Interrupt input

LALE input

RESET input or output

Port signal output

Output data

RWR, UDS, LDS, DS, IORD, PSEN inputs

Chip Select input

TR/W input

Internal PDN signal

Output macrocell

Table 43.

AC signal behavior symbols for PLD timing(1)

Example: tAVLX = time from address valid to ALE invalid.

Letter

AC signal description

tTime

Logic level low or ALE

Logic level high

VValid

No longer a valid logic level(2)

Output Hi-Z is defined as the point where data out is no longer driven.

ZFloat

Pulse width

Table 44.

AC measurement conditions

Symbol

Parameter

Min.

Max.

Unit

Load capacitance

Obsolete

Product(s)

- Obsolete

Product(s)

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