DS1315 Datasheet, PDF (13/21 Pages) Dallas Semiconductor – Phantom Time Chip

DS1315 Phantom Time Chip
AC ELECTRICAL OPERATING CHARACTERISTICS—ROM/RAM = V_CCO
(V_CC = 3.3V ±10%, T_A = Over the operating range.)
PARAMETER
SYMBOL MIN TYP MAX UNITS NOTES
Read Cycle Time
t_RC
120
ns
CEI Access Time
t_CO
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
t_WR
20
ns
4
Data Setup
t_DS
45
ns
5
Data Hold Time
t_DH
0
ns
5
RST Pulse Width
t_RST
120
ns
CAPACITANCE
(T_A = +25°C)
PARAMETER
Input Capacitance
Output Capacitance
SYMBOL
C_IN
C_OUT
MIN
TYP
MAX
10
10
UNITS
pF
pF
NOTES
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