DS1747W-120+ Maxim Integrated Products, DS1747W-120+ Datasheet - Page 14

• Manufacturer Part Number: DS1747W-120+
• Description: IC RTC RAM Y2K 3.3V 120NS 32EDIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAM/Y2Kr

Specifications of DS1747W-120+

• 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: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 32-DIP Module (600 mil), 32-EDIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

POWER-UP/DOWN CHARACTERISTICS (3.3V)
(V
Power-Down
V
V
V
V
Power-Up Recover Time
V
Only)
Expected Data-Retention Time
(Oscillator ON)
POWER-UP/DOWN WAVEFORM TIMING (3.3V DEVICE)
CAPACITANCE
(T
Capacitance on All Input Pins
Capacitance on All Output Pins
CE or WE at V
CC
PF(MIN)
CC
PF(MAX)
PF
A
CC
= +25°C)
to RST High (PowerCap
Fall Time: V
Rise Time: V
= 3.3V 10%, T
PARAMETER
PARAMETER
H
PF(MAX)
, Before
PF(MIN)
A
= Over the Operating Range.)
to
to
SYMBOL
SYMBOL
C
C
t
t
t
REC
IN
t
t
DR
O
PD
R
F
DS1747/DS1747P Y2K-Compliant, Nonvolatile Timekeeping RAMs
14 of 16
MIN
MIN
300
10
0
0
TYP
TYP
MAX
MAX
35
14
10
UNITS
UNITS
years
ms
s
s
s
pF
pF
NOTES
NOTES
5, 6