cdp68hc68t1 Intersil Corporation, cdp68hc68t1 Datasheet - Page 4

• Manufacturer Part Number: cdp68hc68t1
• Description: Cmos Serial Real-time Clock With Ram And Power Sense/control
• Manufacturer: Intersil Corporation

Static Electrical Specifications
NOTES:
Dynamic Electrical Specifications
Operating Current (Note 3)
V
Crystal Operation
Standby Current (Note 3)
V
Crystal Operation
Input Capacitance
Maximum Rise and Fall Times
(Except XTAL Input and POR Pin 10)
Input Voltage (Line Input Pin Only, Power Sense
Mode)
V
(For 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.
IDENTIFICATION
DD
B
SYS
= 2.2V
= 5V, V
NUMBER
> V
B
Not Internally Connected to V
11
12
A
B
C
1
2
3
4
5
7
8
B
V
B
T
= 3V
PARAMETER
Chip Enable Setup Time
Chip Enable After Clock Hold Time
Clock Width High
Clock Width Low
Data In to Clock Setup Time
Clock to Data Propagation Delay
Chip Disable to Output High Z
Output Rise Time
Output Fall Time
Data in After Clock Hold Time
Clock to Data Out Active
Clock Recovery Time
A
= +25°C and nominal V
4
PARAMETER
DD
)
At T
A
Bus Timing V
= -40°C to +85°C, V
SYMBOL
DD
C
t
r
.
I
, t
B
IN
f
CDP68HC68T1
DD
t
t
t
t
t
t
t
t
t
t
t
t
EVCV
CVEX
WH
WL
DVCV
CVDV
EXQZ
r
f
CVDX
CVQX
REC
SYMBOL
32kHz
1MHz
2MHz
4MHz
32kHz
V
±10%, V
IN
= 0, T
TEST CONDITIONS
DD
= V
SS
A
= +25°C
BATT
= 0V
MIN
200
250
400
400
200
200
200
DC
= 5V ±5%, Unless Otherwise Specified. (Continued)
-
-
-
-
-
, T
V
DD
A
= -40°C to +85°C
= 3.3V
LIMITS (ALL TYPES)
MAX
200
200
200
200
200
-
-
-
-
-
-
-
MIN
100
0
-
-
-
-
-
-
-
-
0.025
0.08
0.15
CDP68HC68T1
0.3
I
D
(Note 2)
MIN
100
125
200
200
100
100
200
-
-
-
-
-
TYP
1.0
10
10
75
-
-
-
V
0.015
DD
0.15
0.25
0.4
I
B
= 5V
MAX
100
100
100
100
100
-
-
-
-
-
-
-
MAX
12
2
2
-
-
-
-
-
-
-
-
-
October 29, 2007
UNITS
UNITS
FN1547.8
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
mA
mA
mA
mA
mA
µA
pF
µs
µs
ns
V
V