DS1558W Maxim Integrated Products, DS1558W Datasheet - Page 17
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DS1558W
Manufacturer Part Number
DS1558W
Description
IC RTC W/NV RAM 3.3V 48-LQFP
Manufacturer
Maxim Integrated Products
Type
Watchdog Timer/NVSRAMr
Datasheet
1.DS1558W.pdf
(18 pages)
Specifications of DS1558W
Time Format
HH:MM:SS (24 hr)
Date Format
YY-MM-DD-dd
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Memory Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS1558W+
Manufacturer:
Maxim
Quantity:
250
Part Number:
DS1558W+
Manufacturer:
MAXIM/美信
Quantity:
20 000
Company:
Part Number:
DS1558W+T&R
Manufacturer:
ATMEL
Quantity:
6 772
Company:
Part Number:
DS1558W+TRL
Manufacturer:
Maxim Integrated
Quantity:
10 000
Company:
Part Number:
DS1558W-TRL
Manufacturer:
Maxim Integrated
Quantity:
10 000
POWER-UP/DOWN CHARACTERISTICS
(V
Figure 9. +3.3V POWER-UP/DOWN WAVEFORM TIMING
CAPACITANCE
(T
Before Power-Down
V
V
V
CE
Capacitance On All Input Pins
Capacitance On
DQ Pins
A
CC
CC
CC
PF
= +25C)
to
= +3.3V 10%, T
or
Fall Time: V
Rise Time: V
RST
WE
PARAMETER
at V
High
PARAMETER
IH
IRQ
PF(MAX)
PF(MIN)
,
/FT,
to V
to V
A
= -40°C to +85°C.) (Figure 9)
RST
PF(MAX)
PF(MIN)
, and
SYMBOL
SYMBOL
C
C
IN
IO
t
t
REC
t
t
PD
R
F
17 of 18
MIN
MIN
300
40
0
0
TYP
TYP
MAX
MAX
10
7
200
UNITS
UNITS
pF
pF
ms
s
s
s
NOT
NOTES
1
1
ES