DS17885-3 Maxim Integrated Products, DS17885-3 Datasheet - Page 3
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DS17885-3
Manufacturer Part Number
DS17885-3
Description
IC RTC 3V 8K NV RAM 24-DIP
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/NVSRAMr
Datasheet
1.DS17285S-5.pdf
(31 pages)
Specifications of DS17885-3
Memory Size
64K (8K x 8)
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 (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS17885-3
Manufacturer:
DALLAS
Quantity:
6 246
DC ELECTRICAL CHARACTERISTICS
(V
AC ELECTRICAL CHARACTERISTICS
(V
V
On); T
V
(Oscillator Off)
Cycle Time
Pulse Width, RD or WR Low
Pulse Width, RD or WR High
Input Rise and Fall
Chip-Select Setup Time Before
RD or WR
Chip-Select Hold Time
Read-Data Hold Time
Write-Data Hold Time
Address Setup Time to ALE Fall
Address Hold Time to ALE Fall
RD or WR High Setup to ALE
Rise
Pulse Width ALE High
Delay Time ALE Low to RD Low
Output Data Delay Time from RD
Data Setup Time
IRQ Release from RD
CC
CC
BAT
BAT
= 0V, V
= +4.5V to +5.5V, T
or V
or V
A
= +25°C, V
BAUX
BAUX
PARAMETER
PARAMETER
BAT
Current (Oscillator
Current
= 3.0V, T
BAT
= 3.0V
A
A
= Over the operating range, unless otherwise noted.) (Note 2)
= Over the operating range, unless otherwise noted.) (Note 1)
SYMBOL
SYMBOL
PW
PW
PW
I
BATDR
t
t
t
t
t
t
t
t
t
ASED
I
t
DHW
DSW
t
R
t
DHR
DDR
CYC
t
AHL
ASD
BAT
ASL
IRD
CH
CS
RWH
RWL
, t
ASH
_____________________________________________________________________
F
(Note 7)
(Note 7)
(Note 8)
CONDITIONS
CONDITIONS
Real-Time Clocks
MIN
MIN
240
120
80
20
10
20
10
25
40
30
20
30
0
0
TYP
TYP
500
50
MAX
MAX
700
400
120
DC
30
50
2
UNITS
UNITS
nA
nA
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
3