DS1678S Maxim Integrated Products, DS1678S Datasheet - Page 21

• Manufacturer Part Number: DS1678S
• Description: IC RECORDER REALTIME EVENT 8SOIC
• Manufacturer: Maxim Integrated Products
• Type: Time Event Recorderr

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

AC ELECTRICAL CHARACTERISTICS
DATA TRANSFER ON 2-WIRE SERIAL BUS Figure 3
SDA
SCL
PARAMETER
SCL Clock Frequency
Bus Free Time
Between a STOP and
START Condition
Hold Time (Repeated)
START Condition.
LOW Period of SCL
HIGH Period of SCL
Set-Up Time for a
Repeated START
Data Hold Time
Data Set-up Time
Rise Time of Both
SDA and SCL Signals
Fall Time of Both
SDA and SCL Signals
Set-up Time for STOP
Capacitive Load for
Each Bus Line
Input Capacitance
CONDITION
START
MSB
1
SYMBOL
2
slave address
t
t
t
t
t
t
hd:dat
hd:sta
su:dat
su:sto
t
su:sta
t
f
C
high
C
low
buf
t
t
scl
r
f
b
i
6
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
Standard Mode
CONDITION
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
Fast Mode
7
direction
R/W
8
bit
21 of 26
signal from receiver
acknowledgement
ACK
9
(-40°C to +85°C, V
0.1C
0.1C
MIN
20 +
20 +
100
100
250
1.3
4.7
0.6
4.0
1.3
4.7
0.6
4.0
0.6
4.7
0.6
4.0
0
0
b
b
1
TYP
2
repeated if more bytes
5
are transferred
3 - 8
MAX UNITS
1000
400
100
300
300
300
400
0.9
8
signal from receiver
acknowledgement
CC
ACK
= 4.5V to 5.5V)
9
kHz
pF
pF
µs
µs
µs
µs
µs
µs
ns
ns
ns
µs
START CONDITION
STOP CONDITION
REPEATED
NOTES
OR
1
2
3
4
4
4