DS1747-70IND+ Maxim Integrated Products, DS1747-70IND+ Datasheet - Page 14
![IC RTC RAM Y2K 5V 70NS 32-EDIP](/photos/6/58/65858/ds1245y-70ind__sml.jpg)
DS1747-70IND+
Manufacturer Part Number
DS1747-70IND+
Description
IC RTC RAM Y2K 5V 70NS 32-EDIP
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/NVSRAM/Y2Kr
Datasheet
1.DS1747WP-120.pdf
(16 pages)
Specifications of DS1747-70IND+
Memory Size
4M (512K x 8)
Time Format
HH:MM:SS (24 hr)
Date Format
YY-MM-DD-dd
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
32-DIP Module (600 mil), 32-EDIP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
POWER-UP/DOWN CHARACTERISTICS (3.3V)
(V
Power-Down
V
V
V
V
Power-Up Recover Time
V
Only)
Expected Data-Retention Time
(Oscillator ON)
POWER-UP/DOWN WAVEFORM TIMING (3.3V DEVICE)
CAPACITANCE
(T
Capacitance on All Input Pins
Capacitance on All Output Pins
CE or WE at V
CC
PF(MIN)
CC
PF(MAX)
PF
A
CC
= +25°C)
to RST High (PowerCap
Fall Time: V
Rise Time: V
= 3.3V 10%, T
PARAMETER
PARAMETER
H
PF(MAX)
, Before
PF(MIN)
A
= Over the Operating Range.)
to
to
SYMBOL
SYMBOL
C
C
t
t
t
REC
IN
t
t
DR
O
PD
R
F
DS1747/DS1747P Y2K-Compliant, Nonvolatile Timekeeping RAMs
14 of 16
MIN
MIN
300
10
0
0
TYP
TYP
MAX
MAX
35
14
10
UNITS
UNITS
years
ms
s
s
s
pF
pF
NOTES
NOTES
5, 6