U3810BM datasheet(23/31 Pages) TEMIC

23 / 31 page

TELEFUNKEN Semiconductors

U3810BM

Rev. A1: 19.01.1996

23 (31)

Electrical characteristics of logical part

fxck = 455 kHz

VDD = 3.5 V

Parameter

Min.

Typ.

Max.

Unit

INPUTS : C, D

Low-voltage input Vil

High-voltage input Vih

Input leakage current Ii

(0 < VI < VDD)

2.8

–1

0.7

Output: RESET, CO, LVIO

Low-voltage output (Iol = 100

mA) Vol

High-voltage output (Ioh = – 100

mA) Voh

3.1

0.35

CLOCK: CO (fig. 15)

Using reference ceramic resonator

period:

tcyc

High pulse width:

twch

2.19

1.10

2.20

2.21

1.45

SERIAL BUS (figure 19)

Data set–up time

tsud

Data hold time

thd

Clock low time

tcl

Clock high time

tch

Hold time before transfer condition

teon

Data low pulse on transfer condition

teh

Data high pulse on transfer condition

teoff

0.1

0.2

RESET TIMING (figure 11, 12 and 13)

Clock start-up time

ton

Clock inhibition time

toff

Reset time (without ton)tr

31.6

150

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