12022IBZ データシートの表示（PDF） - Intersil

部品番号

コンポーネント説明

メーカー

12022IBZ

Real Time Clock with On Chip ±5ppm Temp Compensation

Intersil 

ISL12022

SDA vs SCL Timing

tF

tHIGH

tLOW

tR

SCL

tSU:STA

SDA

(INPUT TIMING)

SDA

(OUTPUT TIMING)

tSU:DAT

tHD:STA

tHD:DAT

tAA

tDH

Symbol Table

WAVEFORM INPUTS

Must be steady

OUTPUTS

Will be steady

May change

from LOW

to HIGH

May change

from HIGH

to LOW

Don’t Care:

Changes Allowed

Will change

from LOW

to HIGH

Will change

from HIGH

to LOW

Changing:

State Not Known

N/A

Center Line is

High Impedance

EQUIVALENT AC OUTPUT LOAD CIRCUIT FOR VDD = 5V

5.0V

SDA

AND

IRQ/FOUT

1533Ω

FOR VOL= 0.4V

AND IOL = 3mA

100pF

FIGURE 1. STANDARD OUTPUT LOAD FOR TESTING THE

DEVICE WITH VDD = 5.0V

tSU:STO

tBUF

6

FN6659.2

June 23, 2009

Share Link: