DS1236AS-5 Datasheet, PDF (18/19 Pages) Maxim Integrated Products – MicroManager Chip

PARAMETER
Output Current @ 2.4V
Power Sup. Trip Point
Power Supply Trip (5% Option)
IN Input Pin Current
IN Input Trip Point
SYMBOL
I_OH
V_CCTP
V_CCTP
I_CCIN
V_TP
MIN
4.25
4.50
-1.0
2.5
AC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL MIN
V_CC Fail Detect to RST, RST
t_RPD
40
V_TP to NMI
t_IPD
40
RESET Active Time
t_RST
25
NMI Pulse Width
t_NMI
200
ST Pulse Width
t_ST
20
PBRST @ V_IL
t_PB
40
V_CC Slew Rate 4.75 to 4.25
t_F
300
Chip Enable Propagation Delay
t_PD
V_CC Fail to Chip Enable High
t_CF
7
V_CC Valid to RST, RST (RC=1)
t_FPU
V_CC Valid to RST & RST
t_RPU
25
V_CC Slew to 4.24 to V_BAT
t_FB1
10
V_CC Slew 4.25 to 4.75 V_BAT
t_FB2
100
Chip Enable Output Recovery
t_REC
.1
Time
V_CC Slew 4.25 to 4.75
t_R
0
Chip Enable Pulse Width
t_CE
Watchdog Time Delay
t_TD
100
ST to WC/ SC
t_WC
0.1
V_BAT Detect to PF, PF
t_PPF
ST to NMI
t_STN
NMI to RST & RST
t_NRT
V_BAT Detect to RST & RST
t_ARST
V_CC Valid to RST, RST
t_BRST
30
TYP
4.37
4.62
2.54
MAX
-1.0
4.50
4.75
+1.0
2.6
UNITS
mA
V
V
μA
V
DS1236
NOTES
13
1
1
1
(0°C to 70°C; V_CC= 4.5V to 5.5V)
TYP MAX UNITS NOTES
100
175
μs
100
175
μs
100
150
ms
300
500
μs
14
ns
19
ms
μs
20
ns
12
44
μs
17
100
ns
100
150
ms
5
μs
7
μs
8
μs
9
μs
5
s
10
400
600
ms
50
μs
2
μs
7
30
ns
11
30
ns
200
μs
15
100
150
μs
16
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