DS1687-3+C01 Maxim Integrated Products, DS1687-3+C01 Datasheet - Page 26
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DS1687-3+C01
Manufacturer Part Number
DS1687-3+C01
Description
IC RTC 3V 64-BIT Y2K 24-EDIP
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/NVSRAM/Y2Kr
Datasheet
1.DS1685S-5.pdf
(34 pages)
Specifications of DS1687-3+C01
Memory Size
242B
Time Format
HH:MM:SS (12/24 hr)
Date Format
YY-MM-DD-dd
Interface
Parallel
Voltage - Supply
2.7 V ~ 3.7 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Through Hole
Package / Case
24-DIP (600 mil) Module
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
RTC AC TIMING CHARACTERISTICS
(V
AC TEST CONDITIONS
Output Load: 50pF
Input Pulse Levels: 0 to 3.0V
Timing Measurement Reference Levels
Input Pulse Rise and Fall Times: 5ns
Cycle Time
Pulse Width, RD/WR Low
Pulse Width, RD/WR High
Input Rise and Fall Time
Chip-Select Setup Time
Before WR or RD
Chip-Select Hold Time
Read-Data Hold Time
Write-Data Hold Time
Muxed Address Valid Time to
ALE Fall
Muxed Address Hold Time
from ALE Fall
RD or WR High Setup to ALE
Rise
Pulse-Width ALE High
ALE Low Setup to RD or WR
Fall
Output-Data Delay Time from
RD
Data Setup Time
IRQ Release from RD
CC
= 3.0V±10%, T
Input : 1.5V
Output: 1.5V
PARAMETER
A
= 0°C to +70°C, T
SYMBOL
PW
PW
PW
t
A
t
t
t
t
t
t
t
t
t
ASED
R
t
t
DHW
DSW
t
DHR
DDR
CYC
ASD
ASL
AHL
IRD
CH
= -40°C to +85°C)
CS
, t
RWL
RWH
ASH
F
26 of 34
MIN
260
100
100
20
10
30
15
30
80
30
20
60
0
0
TYP
DS1685/DS1687 3V/5V Real-Time Clocks
MAX
DC
30
50
80
2
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
NOTES
6