83C196KB 데이터 시트보기 (PDF) - Intel

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83C196KB

Advanced 16-bit CHMOS microcomputer ROMless

Intel 

AC TESTING INPUT OUTPUT WAVEFORMS

AUTOMOTIVE 8XC196KB

FLOAT WAVEFORMS

270679 – 7

AC Testing inputs are driven at 2 4V for logic ‘‘1’’ and 0 45V for a

logic ‘‘0’’ Timing measurements are made at 2 0V for a logic ‘‘1’’

and 0 8V for logic ‘‘0’’

270679 – 8

For timing purposes a port pin is no longer floating when a 100

mV change from load voltage occurs and begins to float when a

100 mV change from the loading VOH VOL level occurs IOL IOH

s g15 mA

EXPLANATION OF AC SYMBOLS

Each symbol is two pairs of letters prefixed by ‘‘t’’ for

time The characters in a pair indicate a signal and

its condition respectively Symbols represent the

time between the two signal condition points

Conditions

Signals

H High

A Address L ALE ADV

L Low

B BHE

R RD

V Valid

C CLKOUT W WR WRH WRI

X No Longer Valid D Data

X XTAL1

Z Floating

G Buswidth Y Ready

AC CHARACTERISTICS SERIAL PORT SHIFT REGISTER MODE

SERIAL PORT TIMING SHIFT REGISTER MODE

Test Conditions TCe b40 C to a125 C VCC e 5 0V g10% VSS e 0 0V Load Capacitance e 80 pF

Symbol

Parameter

Min

Max

Unit

TXLXL

TXLXH

Serial Port Clock Period(9)

Serial Port Clock Falling Edge

to Rising Edge(9)

6 TOSC 4 TOSC

ns

4 TOSCb50 2 TOSCb50 4 TOSCa50 2 TOSCb50 ns

TQVXH

TXHQX

TXHQV

Output Data Setup to Clock Rising Edge

Output Data Hold after Clock Rising Edge

Next Output Data Valid

after Clock Rising Edge

2 TOSCb50

2 TOSCb50

ns

ns

2 TOSCa50

ns

TDVXH Input Data Setup to Clock Rising Edge

TXHDX(8) Input Data Hold after Clock Rising Edge

TXHQZ(8) Last Clock Rising to Output Float

TOSCa50

0

ns

ns

TOSC

ns

NOTES

8 Parameter not tested

9 Baud Rate Register t 8002H Baud Rate Register e 8001H

13

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