PSD913G3V-C-90UI 데이터 시트보기 (PDF) - STMicroelectronics

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PSD913G3V-C-90UI

Flash In-System Programmable (ISP) Peripherals For 8-bit MCUs

STMicroelectronics 

Preliminary Information

Microcontroller

Interface –

AC/DC

Parameters

(5V ± 10% Versions)

AC Symbols for PLD Timing.

Example: t AVLX – Time from Address Valid to ALE Invalid.

Signal Letters

A – Address Input

C – CEout Output

D – Input Data

E – E Input

L – ALE Input

N – Reset Input or Output

P – Port Signal Output

Q – Output Data

R – WR, UDS, LDS, DS, IORD, PSEN Inputs

S – Chip Select Input

T – R/W Input

W – Internal PDN Signal

B – Vstby Output

Signal Behavior

t – Time

L – Logic Level Low or ALE

H – Logic Level High

V – Valid

X – No Longer a Valid Logic Level

Z – Float

PW – Pulse Width

PSD9XX Family

67

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