DS1315_07 Datasheet, PDF (10/22 Pages) Maxim Integrated Products – Phantom Time Chip

DS1315 Phantom Time Chip
DC POWER DOWN ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL MIN TYP
(0°C to 70°C; V_CC < 4.5V)
MAX
UNITS NOTES
CEO Output Voltage
V_CEO
V_CCI-0.2
or
V
8
V_BAT1,2
-0.2
V_BAT1 or V_BAT2 Battery
I_BAT
Current
0.5
µA
6
Battery Backup Current
@ V_CCO = V_BAT-0.2V
I_CCO2
10
µA
9
AC ELECTRICAL OPERATING CHARACTERISTICS
ROM/RAM = GND
PARAMETER
(0°C to 70°C; V_CC = 5.0 ± 10%)
SYMBOL MIN TYP
MAX
UNITS NOTES
Read Cycle Time
CEI Access Time
t_RC
65
t_CO
ns
55
ns
OE Access Time
t_OE
55
ns
CEI to Output Low Z
t_COE
5
ns
OE to Output Low Z
t_OEE
5
ns
CEI to Output High Z
t_OD
25
ns
OE to Output High Z
t_ODO
25
ns
Read Recovery
Write Cycle
Write Pulse Width
Write Recovery
Data Setup
Data Hold Time
CEI Pulse Width
t_RR
10
t_WC
65
t_WP
55
t_WR
10
t_DS
30
t_DH
0
t_CW
55
ns
ns
ns
ns
4
ns
5
ns
5
ns
OE Pulse Width
t_OW
55
ns
RST Pulse Width
t_RST
65
ns
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