Rainbow Electronics DS1315 User Manual
Page 16
Advertising
DS1315
041697 16/22
TIMING DIAGRAM: RESET PULSE Figure 10
t
RST
RST
5V DEVICE POWER–UP POWER–DOWN CHARACTERISTICS,
ROM/RAM = V
CCO
OR GND
(0
°
C to 70
°
C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Recovery Time at
Power–Up
t
REC
V
CC
>4.5
2
mS
11
V
CC
Slew Rate Power–
Down
t
F
4.0
≤
V
CC
≤
4.5
300
mS
11
V
CC
Slew Rate Power–
Down
t
FB
3.0
≤
V
CC
≤
4.0
10
mS
11
V
CC
Slew Rate Power–
UP
t
R
4.5
≤
V
CC
≤
4.0
0
mS
11
CEI High to Power–Fail
t
PF
0
mS
11
5V DEVICE POWER–UP CONDITION Figure 11
ЗЗЗЗЗ
ЗЗЗЗЗ
ЗЗЗЗЗ
4.5V
t
R
V
IL
BAT - 0.2V
CEI
CEO
CEO
V
CCI
ROM/RAM = GND
ROM/RAM = V
CCO
t
CE
t
CE
t
REC
4.25V
4.0V
t
PD
Advertising