DS1746-70IND Maxim Integrated Products, DS1746-70IND Datasheet - Page 14

• Manufacturer Part Number: DS1746-70IND
• Description: IC RTC RAM Y2K 5V 70NS 32-EDIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAM/Y2Kr

Specifications of DS1746-70IND

• Memory Size: 1M (128K x 8)
• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 32-DIP Module (600 mil), 32-EDIP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

POWER-UP/DOWN CHARACTERISTICS—3.3V
(V
Power-Down
V
V
V
V
V
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
= 3.3V 10%, T
Fall Time: V
Rise Time: V
PARAMETER
PARAMETER
H
PF(MAX)
, Before
PF(MIN)
A
= Over the Operating Range.)
to
to
SYMBOL
SYMBOL
t
C
t
t
C
REC
t
t
DR
PD
R
F
IN
O
DS1746/DS1746P Y2K-Compliant, Nonvolatile Timekeeping RAMs
14 of 16
MIN
MIN
300
10
0
0
TYP
TYP
MAX
MAX
35
14
10
UNITS
UNITS
years
pF
pF
ms
s
s
s
NOTES
NOTES
5, 6