DS1315_07 Datasheet, PDF (13/22 Pages) Maxim Integrated Products – Phantom Time Chip

DS1315 Phantom Time Chip
AC ELECTRICAL OPERATING CHARACTERISTICS
ROM/RAM = V_CCO
PARAMETER
(0°C to 70°C; V_CC = 3.3 ± 10%)
SYMBOL MIN TYP
MAX
UNITS NOTES
Read Cycle Time
CEI Access Time
t_RC
120
t_CO
ns
100
ns
OE Access Time
t_OE
100
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
40
ns
OE to Output High Z
t_ODO
40
ns
Address Setup Time
t_AS
10
ns
Address Hold Time
t_AH
10
ns
Read Recovery
t_RR
20
ns
Write Cycle
t_WC
120
ns
CEI Pulse Width
t_CW
100
ns
OE Pulse Width
t_OW
100
ns
Write Recovery
Data Setup
Data Hold Time
RST Pulse Width
t_WR
20
t_DS
45
t_DH
0
t_RST
120
ns
4
ns
5
ns
5
ns
CAPACITANCE
PARAMETER
Input Capacitance
Output Capacitance
SYMBOL
C_IN
C_OUT
MIN
TYP
MAX
10
10
UNITS
pF
pF
(t_A = 25°C)
NOTES
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