SAB-C505C-4E 查看數據表（PDF） - Infineon Technologies

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SAB-C505C-4E

8-bit Single-chip Microcontroller

Infineon Technologies 

C505 / C505C

C505A / C505CA

AC Characteristics (20 MHz, 0.5 Duty Cycle)

(Operating Conditions apply)

(CL for port 0, ALE and PSEN outputs = 100 pF; CL for all other outputs = 80 pF)

Program Memory Characteristics

Parameter

ALE pulse width

Address setup to ALE

Address hold after ALE

ALE to valid instruction in

ALE to PSEN

PSEN pulse width

PSEN to valid instruction in

Input instruction hold after PSEN

Input instruction float after PSEN

Address valid after PSEN

Address to valid instruction in

Address float to PSEN

Symbol

Limit Values

Unit

20 MHz clock

Variable Clock

0.5 Duty Cycle 1/CLP = 2 MHz to 20 MHz

min. max. min.

max.

tLHLL

35

–

CLP - 15 –

ns

tAVLL

10

–

CLP/2 - 15 –

ns

tLLAX

10

–

CLP/2 - 15 –

ns

tLLIV

–

55

–

2 CLP - 45 ns

tLLPL

10

–

CLP/2 - 15 –

ns

tPLPH

60

–

3/2 CLP

–

ns

- 15

tPLIV

–

25

–

3/2 CLP

ns

- 50

tPXIX

0

–

0

–

ns

t *)

PXIZ

–

20

–

CLP/2 - 5 ns

t *)

PXAV

20

–

CLP/2 - 5 –

ns

tAVIV

–

65

–

5/2 CLP

ns

- 60

tAZPL

-5

–

-5

–

ns

*) Interfacing the C505 to devices with float times up to 20 ns is permissible. This limited bus contention will not

cause any damage to port 0 drivers.

Data Sheet

71

08.00

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