PSD813F1 datasheet(99/120 Pages) STMICROELECTRONICS

99 / 120 page

Preliminary

PSD813F1-A

-15

-20

Turbo

Symbol

Parameter

Conditions

Min

Max

Min

Max

Off

Unit

tLVLX

ALE or AS Pulse Width

tAVLX

Address Setup Time

(Note 3)

tLXAX

Address Hold Time

(Note 3)

tAVQV

Address Valid to Data Valid (Notes 3 and 6)

150

200

Add 20

t SLQV

CS Valid to Data Valid

150

200

RD to Data Valid 8-Bit Bus

(Note 5)

t RLQV

RD or PSEN to Data Valid 8-Bit Bus,

8031, 80251

(Note 2)

t RHQX

RD Data Hold Time

(Note 1)

tRLRH

RD Pulse Width (also DS, LDS, UDS)

RD or PSEN Pulse Width (8031, 80251)

tRHQZ

RD to Data High-Z

(Note 1)

tEHEL

E Pulse Width

tTHEH

R/W Setup Time to Enable

tELTL

R/W Hold Time After Enable

tAVPV

Address Input Valid to

(Note 4)

Address Output Delay

Read Timing (3.0 V to 3.6 V Versions)

Microcontroller Interface – PSD813F1V AC/DC Parameters

(3.0 V to 3.6 V Versions)

NOTES: 1. RD timing has the same timing as DS, LDS, UDS, and PSEN signals.

2. RD and PSEN have the same timing for 8031.

3. Any input used to select an internal PSD813F function.

4. In multiplexed mode latched address generated from ADIO delay to address output on any Port.

5. RD timing has the same timing as DS, LDS, and UDS signals.

6. In Turbo Off mode, add 20ns to tAVQV.

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