RTC - 4543 SA/SB
CONTENTS
1. OVERVIEW
........................................................................................................1
2. BLOCK DIAGRAM
...........................................................................................1
3. PIN CONNECTIONS
.......................................................................................2
4. PIN FUNCTIONS
..............................................................................................2
5. ELECTRICAL CHARACTERISTICS
.........................................................3
5-1. A
BSOLUTE
M
AXIMUM
R
ATINGS ..........................................................................................3
5-2. O
PERATING
C
ONDITION.......................................................................................................3
5-3. F
REQUENCY
C
HARACTERISTICS........................................................................................3
5-4. DC C
HARACTERISTICS ........................................................................................................3
5-5. AC C
HARACTERISTICS.........................................................................................................4
5-6. T
IMING
C
HARTS.....................................................................................................................5
6. TIMER DATA ORGANIZATION
..................................................................6
7. DESCRIPTION OF OPERATION
...............................................................7
7-1.D
ATA READS............................................................................................................................7
7-2. D
ATA WRITES.........................................................................................................................7
7-3. D
ATA WRITES
(D
IVIDER
R
ESET
)
.........................................................................................8
7-4. FOUT
OUTPUT AND
1 H
Z CARRIES...................................................................................8
8. EXAMPLES OF EXTERNAL CIRCUITS
.................................................9
9. EXTERNAL DIMENSIONS
.........................................................................10
10. LAYOUT OF PACKAGE MARKINGS
..................................................10
11. REFERENCE DATA
...................................................................................11
12. APPLICATION NOTES
..............................................................................12
12-1. N
OTES ON HANDLING.......................................................................................................12
12-2. N
OTES ON PACKAGING ....................................................................................................12