DS1558W+ Maxim Integrated Products, DS1558W+ Datasheet - Page 16

• Manufacturer Part Number: DS1558W+
• Description: IC RTC W/NV RAM 3.3V 48-LQFP
• Manufacturer: Maxim Integrated Products
• Type: Watchdog Timer/NVSRAMr

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: Lead free / RoHS Compliant
• Memory Size: -

POWER-UP/DOWN CHARACTERISTICS
(V
Figure 8. +5V POWER-UP/DOWN WAVEFORM TIMING
Before Power-Down
V
V
V
V
CE
C
CC
CC
CC
PF
C
to
= +5V 10%
or
Fall Tim
Fall Time: V
Rise Time: V
RST
WE
P
at V
High
e: V
ARAMETE
IH
PF(MAX)
PF(MIN)
PF(MIN)
,
, T
A
to V
to
to
= -40°C o +85°C.) (Figure 8)
R
V
V
SO
PF(
PF(
MIN)
MAX)
t
SYMBOL
t
t
t
REC
t
t
PD
FB
R
F
16 of 18
M
300
10
40
0
0
IN
TYP
MAX
200
UNITS
ms
s
s
s
s
NOTES