DS1315_07 Datasheet, PDF (12/22 Pages) Maxim Integrated Products – Phantom Time Chip

DS1315 Phantom Time Chip
DC POWER DOWN ELECTRICAL CHARACTERISTICS
(0°C to 70°C; V_CC < 2.97V)
PARAMETER
SYMBOL MIN TYP MAX UNITS NOTES
CEO Output Voltage
V_CEO
V_CCI
V
8
or
V_BAT1,2
-0.2
V_BAT1 OR V_BAT2
I_BAT
Battery Current
0.3
µA
6
Battery Backup Current
@ V_CCO = V_BAT-0.2
I_CCO2
10
µA
9
AC ELECTRICAL OPERATING CHARACTERISTICS
ROM/RAM = GND
PARAMETER
SYMBOL MIN
(0°C to 70°C; V_CC = 3.3 ± 10%)
TYP MAX UNITS NOTES
Read Cycle Time
CEI Access Time
OE Access Time
CEI to Output Low Z
t_RC
120
t_CO
t_OE
t_COE
5
ns
100
ns
100
ns
ns
OE to Output Low Z
t_OEE
5
ns
CEI to Output High Z
t_OD
40
ns
OE to Output High Z
Read Recovery
Write Cycle
Write Pulse Width
Write Recovery
Data Setup
Data Hold Time
CEI Pulse Width
OE Pulse Width
RST Pulse Width
t_ODO
t_RR
20
t_WC
120
t_WP
100
t_WR
20
t_DS
45
t_DH
0
t_CW
100
t_OW
100
t_RST
120
40
ns
ns
ns
ns
ns
4
ns
5
ns
5
ns
ns
ns
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