DS1678S Maxim Integrated Products, DS1678S Datasheet - Page 22
DS1678S
Manufacturer Part Number
DS1678S
Description
IC RECORDER REALTIME EVENT 8SOIC
Manufacturer
Maxim Integrated Products
Type
Time Event Recorderr
Datasheet
1.DS1678S.pdf
(26 pages)
Specifications of DS1678S
Memory Size
32B
Time Format
HH:MM:SS (12/24 hr)
Date Format
YY-MM-DD-dd
Interface
I²C, 2-Wire Serial
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS1678S
Manufacturer:
OSRAM
Quantity:
4 193
Company:
Part Number:
DS1678S+
Manufacturer:
NXP
Quantity:
5 799
Part Number:
DS1678S+TR
Manufacturer:
MAXIM/美信
Quantity:
20 000
2-WIRE SERIAL COMMUNICATION WITH DS1678 Figure 4
2-WIRE COMMUNICATION TIMING DIAGRAM Figure 5
SDA
SCL
STOP
S D A
S D A
S C L
S C L
S D A
S D A
S D A
S C L
S C L
S C L
t
BU F
START
W rite to M e m o ry A d d re s s P o in te r
W rite to M e m o ry L o c a tio n (S in g le B y te )
S ta rt
S ta rt
R e a d S in g le B y te fro m C u rre n t M e m o ry A d d re s s P o in te r L o c a tio n
R e a d M u ltip le B y te s fro m C u rre n t M e m o ry A d d re s s P o in te r L o c a tio n
R e a d S in g le B y te fro m N e w M e m o ry A d d re s s P o in te r L o c a tio n
S ta rt
S ta rt
S ta rt
S D A
S C L
S
S
S
S
S
1
1
1
1
1
t
H D:STA
D e v ic e A d d re s s B y te
D e vic e A d d re s s B y te
0
0
t
0
0
0
L OW
D e v ic e A d d re s s B y te
D e v ic e A d d re s s B y te
D e v ic e A d d re s s B y te
0
0
0
0
0
D 7
1
1
1
1
1
D 6
t
R
t
0
0
H D:D AT
0
0
0
D 5
D a ta B yte
1
1
1
1
1
D 4
0
0
0
0
0
D 3
W
W
R d
R d
W
D 2
D S 16 78
D S 16 78
D S 16 78
D S 16 78
D S 16 78
t
A C K
A C K
HIG H
A C K
A C K
A C K
A
A
A
A
A
D 1
A 7
A 7
A 7
D 7
D 7
D 0
t
F
M e m o ry A d d re s s B yte
M a s te r
A 6
M e m o ry A d d re s s B yte
A 6
N A C K
A 6
D 6
D 6
M e m o ry A d d re s s B y te
N
t
SU:D AT
A 5
A 5
M o s t S ig n ific a n t
D 5
D 5
A 5
S to p
D a ta B y te
D a ta B y te
A 4
A 4
P
A 4
22 of 26
D 4
D 4
A 3
A 3
A 3
D 3
D 3
t
SU :ST A
A 2
A 2
D 2
D 2
A 2
REPEATED
START
A 1
A 1
D 1
D 1
A 1
A 0
A 0
D 0
D 0
A 0
D S 1 67 8
D S 1 67 8
D S 16 78
M a s te r
M a s te r
N A C K
A C K
A C K
A C K
A C K
A
t
N
A
A
HD :ST A
A
D 7
D 7
S to p
S to p
R e p e a te d
S ta rt
P
P
R
D 6
D 6
1
L e a s t S ig n ific a n t
D 5
D 5
D a ta B yte
0
D a ta B yte
D 4
D 4
0
D 3
D e vic e A d d re s s
D 3
1
D 2
D 2
B yte
0
D 1
D 1
1
D 0
D 0
D S 1 67 8
M a s te r
N A C K
0
A C K
t
N
SU :ST O
A
R d
D S 16 78
S to p
S to p
A C K
P
P
A