CDP68HC68T1W INTERSIL [Intersil Corporation], CDP68HC68T1W Datasheet - Page 3
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CDP68HC68T1W
Manufacturer Part Number
CDP68HC68T1W
Description
CMOS Serial Real-Time Clock With RAM and Power Sense/Control
Manufacturer
INTERSIL [Intersil Corporation]
Datasheet
1.CDP68HC68T1W.pdf
(24 pages)
Static Electrical Specifications
NOTES:
Operating Current (Note 3)
V
Crystal Operation
Standby Current (Note 3)
Crystal Operation
Input Capacitance
Maximum Rise and Fall Times
Input Voltage (Line Input Pin Only, Power Sense Mode)
V
Power-On Reset (POR) Pulse Width
2. Typical values are for T
3. Clock out (Pin 1) disabled, outputs open circuited. No serial access cycles.
(Except XTAL Input and POR Pin 10)
(For V
DD
SYS
V
B
= 5V, V
= 2.2V
> V
B
Not Internally Connected to V
B
B
= 3V
PARAMETER
A
= 25
o
C and nominal V
DD
)
At T
A
I
C
t
V
= -40
B
r
, t
T
IN
f
DD
o
.
C to +85
CDP68HC68T1
o
V
C, V
IN
CONDITIONS
3
= 0, T
DD
= V
A
32kHz
1MHz
2MHz
4MHz
32kHz
BATT
= 25
o
= 5V 5%, except as noted. (Continued)
C
MIN
100
0
-
-
-
-
-
-
-
-
CDP68HC68T1
0.15
0.08
0.3
(NOTE 2)
25
I
D
TYP
LIMITS
0.7
10
10
75
-
-
0.15
0.25
0.4
15
I
B
0.18
0.36
0.1
30
I
D
MAX
12
12
2
2
-
-
0.18
0.3
0.5
20
I
S
UNITS
mA
pF
ns
V
V
A
s