DS1557WP-120IND+ Maxim Integrated Products, DS1557WP-120IND+ Datasheet - Page 15

• Manufacturer Part Number: DS1557WP-120IND+
• Description: IC RTC RAM Y2K 3.3V 120NS 34PCM
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAM/Y2Kr

Specifications of DS1557WP-120IND+

• Memory Size: 4M (512K x 8)
• 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: 34-PowerCap™ Module
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

POWER-UP/DOWN CHARACTERISTICS—3.3V
(V
Figure 9. Power-Up/Down Waveform Timing—3.3V Device
CAPACITANCE
(T
CE or WE at V
Power-Down
V
V
V
Expected Data-Retention Time
(Oscillator On)
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 RST High
Fall Time: V
Rise Time: V
PARAMETER
PARAMETER
IH
, Before
PF(MAX)
PF(MIN)
A
= Over the Operating Range.)
to V
to V
PF(MAX)
PF(MIN)
SYMBOL
C
C
SYMBOL
IN
IO
t
t
t
REC
t
t
PD
DR
R
F
(Note 1)
(Note 1)
(Note 6)
15 of 17
CONDITIONS
CONDITIONS
MIN
300
MIN
40
10
0
0
TYP
TYP
MAX
MAX
14
10
200
UNITS
UNITS
years
pF
pF
ms
s
s
s