DS1251YP-70IND Maxim Integrated Products, DS1251YP-70IND Datasheet - Page 10

• Manufacturer Part Number: DS1251YP-70IND
• Description: Real Time Clock
• Manufacturer: Maxim Integrated Products

Specifications of DS1251YP-70IND

• Function: Clock, Calendar, NV Timekeeping RAM
• Rtc Memory Size: 524288 B
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Rtc Bus Interface: Phantom Clock, Parallel
• Package / Case: PowerCap
• Time Format: HH:MM:SS:hh
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MEMORY AC ELECTRICAL CHARACTERISTICS
(T
Read Cycle Time
Access Time
OE to Output Valid
CE to Output Valid
OE or CE to Output Active
Output High-Z from Deselection
Output Hold from Address Change
Write Cycle Time
Write Pulse Width
Address Setup Time
Write Recovery Time
Output High-Z from WE
Output Active from WE
Data Setup Time
Data Hold Time from WE
A
= Over the operating range.) (5V)
PARAMETER
SYMBOL
t
t
t
t
t
t
t
ODW
t
t
t
t
OEW
t
t
ACC
t
t
COE
WC
AW
WR
OD
OH
WP
DH
RC
OE
CO
DS
10 of 21
MIN
70
70
50
30
5
5
0
0
5
5
DS1251Y-70
MAX
70
35
70
25
25
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
5
5
3
5
5
4
4