DS1323_1205 Datasheet, PDF (7/14 Pages) Maxim Integrated Products – 3.3V Flexible Nonvolatile Controller with Lithium Battery Monitor

DC ELECTRICAL CHARACTERISTICS
(V_CCI < V_BAT; V_CCI < V_CCTP, T_A = -40°C to +85°C.)
PARAMETER
SYMBOL CONDITION MIN
Battery Current
Battery Backup Current
Supply Voltage
I_BAT
I_CCO3
V_CCO
V_CCO ≥ V_BAT -0.2V
V_BAT
-0.2
CEO Output
V_OHL
V_BAT
-0.2
TYP
MAX
100
500
UNITS
nA
µA
V
V
DS1323
NOTES
4
8
CAPACITANCE
(T_A = +25°C.)
PARAMETER
Input Capacitance
( CEI , MODE)
Output Capacitance
( CEO , BW , RST )
SYMBOL
C_IN
C_OUT
MIN TYP MAX UNITS NOTES
7
pF
7
pF
AC ELECTRICAL CHARACTERISTICS
(V_CCI ≥ V_CCTP, T_A = -40°C to +85°C.)
PARAMETER
SYMBOL
CEI to CEO Propagation Delay
t_PD
CE Pulse Width
t_CE
V_CC Valid to End of
t_REC
Write Protection
V_CC Valid to CEI Inactive
t_PU
V_CC Valid to RST Inactive
t_RPU
V_CC Valid to BW Valid
t_BPU
MIN
TYP
15
MAX
25
1.5
125
UNITS
ns
µs
ms
NOTES
9
10
2
ms
150 200 350 ms
7
1
s
7
AC ELECTRICAL CHARACTERISTICS
(V_CCI < V_CCTP, T_A = -40°C to +85°C.)
PARAMETER
SYMBOL
V_CC Slew Rate
t_F
V_CC Fail Detect to RST Active
t_RPD
V_CC Slew Rate
t_R
MIN
150
15
TYP
MAX
15
UNITS
µs
µs
µs
NOTES
7
AC ELECTRICAL CHARACTERISTICS
(V_CCI ≥ V_CCTP, T_A = -40°C to +85°C.)
PARAMETER
SYMBOL
Battery Test to BW Active
t_BW
Battery Test Cycle-Normal
Battery Test Cycle-Warning
Battery Test Pulse Width
Battery Detach to Battery Attach
Battery Attach to BW Inactive
t_BTCN
t_BTCW
t_BTPW
t_BDBA
t_BABW
MIN
7
TYP
24
5
MAX
1
1
1
UNITS
s
hr
s
s
s
s
NOTES
7
7
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