DS1500_11 MAXIM [Maxim Integrated Products], DS1500_11 Datasheet - Page 3

• Manufacturer Part Number: DS1500_11
• Description: Y2K Watchdog RTC with Nonvolatile Control
• Manufacturer: MAXIM [Maxim Integrated Products]

DC ELECTRICAL CHARACTERISTICS
(V
CRYSTAL SPECIFICATIONS
Note: The crystal, traces, and crystal input pins should be isolated from RF generating signals. Refer to Application Note 58: Crystal
Considerations for Maxim Real-Time Clocks (RTCs) for additional specifications.
AC OPERATING CHARACTERISTICS
(V
Output Voltage (I
Battery Leakage Current
Battery Current, BB32 = 0, EOSC = 0
Battery Current, BB32 = 0, EOSC = 1
V
Nominal Frequency
Series Resistance
Load Capacitance
Read Cycle Time
Address Access Time
CS to DQ Low-Z
CS Access Time
CS Data Off Time
OE to DQ Low-Z (0°C to +85°C)
OE to DQ Low-Z (-40°C to 0°C)
OE Access Time
OE Data Off Time
Output Hold from Address
Write Cycle Time
Address Setup Time
WE Pulse Width
CS Pulse Width
Data Setup Time
Data Hold Time
Address Hold Time
WE Data Off Time
Write Recovery Time
CEI to CEO Propagation Delay
Pulse Width, OE, WE, or CS High
Pulse Width, OE, WE, or CS Low
CC
CCI
BAUX
= 0V, T
= 5.0V ±10%, T
Current BB32 = 1, SQW Open
A
= Over the Operating Range.)
PARAMETER
PARAMETER
PARAMETER
PARAMETER
CCO2
A
= Over the Operating Range.)
= 50μA)
SYMBOL
SYMBOL
SYMBOL
SYMBOL
PW
PW
V
I
ESR
t
t
I
I
t
t
t
t
t
I
t
t
t
t
CEPD
BAUX
t
WEW
t
BAT1
BAT2
t
t
CSW
t
t
t
WEZ
CCO2
C
t
CSA
OEA
OEZ
t
LKG
CSL
CSZ
OEL
OEL
WC
WR
f
RC
OH
DS
DH
AH
AA
AS
O
HIGH
LOW
L
3 of 20
(Note 7)
(Notes 8, 9)
(Notes 8, 9)
(Notes 8, 9)
(Note 10)
(Note 10)
(Note 10)
(Note 10)
(Note 10)
(Note 10)
CONDITIONS
CONDITIONS
CONDITIONS
CONDITIONS
V
MIN
MIN
MIN
MIN
0.3
BAT
70
70
50
55
30
15
10
20
70
5
5
2
5
0
5
0
-
32.768
TYP
TYP
TYP
TYP
0.27
0.01
10
2
6
MAX
70
70
25
35
25
25
MAX
MAX
MAX
100
1.0
0.1
45
UNITS
UNITS
UNITS
UNITS
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µA
µA
µA
kΩ
nA
pF
V