PSD954F3V20UT View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

PSD954F3V20UT

Flash In-System Programmable (ISP) Peripherals for 8-bit MCUs, 5V

STMicroelectronics 

Figure 45. READ Timing

ALE /AS

A/D

MULTIPLEXED

BUS

ADDRESS

NON-MULTIPLEXED

BUS

DATA

NON-MULTIPLEXED

BUS

CSI

RD

(PSEN, DS)

PSD813F2, PSD833F2, PSD834F2, PSD853F2, PSD854F2

tAVLX

tLXAX1

tLVLX

ADDRESS

VALID

tAVQV

ADDRESS

VALID

tSLQV

tRLQV

tRLRH

DATA

VALID

DATA

VALID

tRHQX

tRHQZ

E

R/W

tAVPV

tTHEH

tEHEL

tELTL

ADDRESS OUT

Note: 1. tAVLX and tLXAX are not required for 80C251 in Page Mode or 80C51XA in Burst Mode.

AI02895

87/110

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