Rainbow-electronics BR24L08FVM-W Bedienungsanleitung PDF herunterladen (Seite 4)

BR24L08-W / BR24L08F-W / BR24L08FJ-W

Memory ICs BR24L08FV-W / BR24L08FVM-W

4/25

zBlock diagram

1A0

A1 2

A2 3

GND 4

VCC8

WP7

6 SCL

SDA5

32kbit EEPROM array

Control logic

High voltage generator Vcc level detect

10bit

8bit

ACK

STOPSTART

Address

decoder

Slave word

address register

10bit

Data

Fig.2 BLOCK DIAGRAM

zPin configuration

BR24L08-W

BR24L08F-W

BR24L08FJ-W

BR24L08FV-W

BR24L08FVM-W

SCL

SDA

GND

1234

5678

Fig.3 PIN LAYOUT

zPin name

Write protect input

Power supply

Function

Ground (0V)

Slave address set

Serial clock input

SDA

Pin name

GND

SCL

I / O

−

Out of useA0, A1

−

IN / OUT

Slave and word address,

serial data input, serial data output

∗1 An open drain output requires a pull-up resistor.

∗1

1 2 3 4 5 6 7 8 9 ... 24 25

BR24L08FV-W / BR24L08FVM-W 1
CC=1.8 to 5.5V) 2
BR24L08-W 4
BR24L08F-W 4
BR24L08FJ-W 4
BR24L08FV-W 4
BR24L08FVM-W 4
Fig.5 WRITE CYCLE TIMING 6
WR. ( See Fig.6 (a) ) 7
A2 P1 P01010 R / W 8
(START BIT) 9
(From µ−COM) 9
OUTPUT DATA) 9
(IC OUTPUT DATA) 9
00A2 P1 P0 D7 D0 11
D7 D7D0 D0 12
Fig.13 WP EFFECTIVE TIMING 13
12 89SCL 14
DUMMY CLOCK × 9 14
START START 14
WR=5ms 15
CONDITION 16
PRINT BASE 20
OUTPUT LEAK CURRENT : I 22
SUPPLY VOLTAGE : V 23
Fig.42 BUS free time t 24
Fig.43 Write cycle time t 24
Fig.48 WP setup time t 25
Fig.49 WP high period t 25

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Rainbow-electronics BR24L08FVM-W Bedienungsanleitung Seite 4

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