DS1315 Maxim, DS1315 Datasheet - Page 10

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DS1315

Manufacturer Part Number
DS1315
Description
The DS1315 Phantom Time Chip is a combination of a CMOS timekeeper and a nonvolatile memory controller
Manufacturer
Maxim
Datasheet

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DC POWER-DOWN ELECTRICAL CHARACTERISTICS
(V
AC ELECTRICAL OPERATING CHARACTERISTICS—ROM/
(V
AC ELECTRICAL OPERATING CHARACTERISTICS—ROM/
(V
PARAMETER
V
Current
Battery Backup Current
@ V
PARAMETER
Read Cycle Time
Read Recovery
Write Cycle
Write Pulse Width
Write Recovery
Data Setup
Data Hold Time
PARAMETER
Read Cycle Time
Address Setup Time
Address Hold Time
Read Recovery
CEO
CEI
OE
CEI
OE
CEI
OE
CEI
OE
CEI
OE
CEI
OE
CEI
OE
RST
CC
CC
CC
BAT1
to Output Low-Z
to Output High-Z
to Output Low Z
to Output High Z
Access Time
Pulse Width
Access Time
< 4.5V, T
= 5.0V ±10%, T
= 5.0V ±10%, T
CCO
to Output Low-Z
to Output High-Z
to Output Low Z
to Output High Z
Access Time
Pulse Width
Access Time
Pulse Width
Output Voltage
or V
= V
BAT2
BAT
A
Battery
-0.2V
= Over the operating range.)
A
A
= Over the operating range.)
= Over the operating range.)
SYMBOL
SYMBOL
V
I
t
I
t
t
t
CCO2
t
t
t
t
t
t
t
t
t
t
ODO
t
t
BAT
COE
OEE
RST
WC
WR
CW
OW
OD
WP
DH
CEO
RC
CO
OE
RR
DS
SYMBOL
t
t
t
t
t
t
t
t
t
ODO
t
COE
OEE
CO
OD
AH
RC
OE
AS
RR
V
V
10 of 21
CCI
MIN
BAT1,2
MIN
0.2
65
10
65
55
10
30
55
55
65
or
5
5
0
- 0.2
MIN
-
65
10
5
5
5
5
TYP
TYP
TYP
MAX
MAX
MAX
0.5
10
55
55
25
25
55
55
25
25
RAM
RAM
UNITS
UNITS
UNITS
µA
µA
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
= GND
= V
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CCO
NOTES
NOTES
NOTES
8
6
9
4
5
5

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