DS1554-70IND Maxim Integrated Products, DS1554-70IND Datasheet - Page 16
![IC RTC RAM Y2K 5V 70NS 32-EDIP](/photos/6/58/65858/ds1245y-70ind__sml.jpg)
DS1554-70IND
Manufacturer Part Number
DS1554-70IND
Description
IC RTC RAM Y2K 5V 70NS 32-EDIP
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/NVSRAM/Y2Kr
Datasheet
1.DS1554P-70.pdf
(18 pages)
Specifications of DS1554-70IND
Memory Size
256K (32K 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
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS1554-70IND+
Manufacturer:
NS
Quantity:
30
POWER-UP/DOWN CHARACTERISTICS—3.3V
(V
Figure 9. Power-Up/Down Waveform Timing (3.3V Device)
CAPACITANCE
(T
Power-Down
V
V
V
Expected Data-Retention Time
(Oscillator On)
CE
Capacitance on All Input Pins
Capacitance on IRQ/FT, RST,
and DQ Pins
A
CC
CC
CC
PF
= +25°C)
= 3.3V 10%, T
to
or
Fall Time: V
Rise Time: V
RST
WE
PARAMETER
PARAMETER
at V
High
IH
PF(MAX)
PF(MIN)
, Before
A
= Over the operating range.)
to V
to V
PF(MAX)
PF(MIN)
SYMBOL
SYMBOL
C
C
t
t
t
IN
IO
REC
t
t
DR
PD
R
F
(Note 1)
(Note 1)
(Notes 6, 7)
DS1554 256k, Nonvolatile, Y2K-Compliant Timekeeping RAM
16 of 18
CONDITIONS
CONDITIONS
MIN
MIN
300
40
10
0
0
TYP
TYP
MAX
MAX
14
10
200
UNITS
UNITS
years
ms
pF
pF
s
s
s