CDP1802BCEX datasheet(9/27 Pages) INTERSIL

No de pièce	CDP1802BCEX

Description	CMOS 8-Bit Microprocessors

PDF	27 Pages

Scroll/Zoom	100%

Fabricant	INTERSIL [Intersil Corporation]

Site Internet	http://www.intersil.com/cda/home

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9 / 27 page

3-11

Required Memory Access Time

Address to Data

tACC

5T-375

5T-250

5T-225

5T-175

5T-250

5T-150

5T-190

5T-100

MRD to TPA

tSU

T/2-25

T/2-18

T/2-20

T/2-15

T/2-20

T/2-15

T/2-10

NOTE:

1. Typical values are for TA = +25

oC and nominal V

DD.

Timing Speciﬁcations as a function of T(T = 1/fCLOCK) at TA = -40 to +85oC, Except as Noted

PARAMETERS

SYMBOL

TEST CONDITIONS

CDP1802A,

CDP1802AC

CDP1802BC

UNITS

VCC (V)

VDD (V)

MIN

(NOTE 1)

TYP

MIN

(NOTE 1)

TYP

Timing Waveforms

FIGURE 3. BASIC DC TIMING WAVEFORM, ONE INSTRUCTION CYCLE

FETCH (READ)

EXECUTE (WRITE)

00 01 10 11 20 21 30 31 40 41 50 51 60 61 70 71 00 01 10 11 20 21 30 31 40 41 50 51 60 61 70 71 00

HI BYTE

LOW BYTE

HI BYTE

LOW BYTE

CLOCK

ADDRESS

TPA

TPB

MRD

MWR

DATA

VALID INPUT DATA

VALID OUTPUT DATA

CDP1802A, CDP1802AC, CDP1802BC

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