RTC-6593
| Model | RTC-6593 |
| Description | REAL TIME CLOCK MODULE FOR PC/AT |
| PDF file | Total 1 pages (File size: 44K) |
| Chip Manufacturer | EPSON |
REAL TIME CLOCK MODULE FOR PC/AT
∗
1
RTC-6593
•
•
•
•
•
Builtin crystal unit allows adjustment-free efficient operation.
Provides 114-bytes of backed-up RAM.
Extended alarm function.
Low current consumption.
A builtin power supply switching circuit makes it possible to provide
automatic power supply backup to both the RTC and extended RAM.
Actual size
*1 PC/AT is a trademark of International Business Machines Corporation.
Specifications (characteristics)
Absolute Max. rating
Item
Supply voltage
Input voltage
Storage
temperature
Symbol
V
DD
V
IN
Condition
V
DD
-GND
Input pin
Rating
- 0.3 to + 7.0
V
- 0.3 to V
DD
+ 0.3
- 55 to
+125
Unit
External dimensions
16.3 max.
24
13
( Unit: mm )
Terminal
AD
0
AD
1
AD
2
AD
3
AD
4
AD
5
AD
6
AD
7
Pin No
4
5
6
7
8
9
10
11
T
STG
—
˚C
1
RTC6593
EPSON 5200B
12
0.0 5min.
2.8 max.
12.2 max.
7.9
Soldering
conditions
T
SOL
Twice under 260˚C within 10
seconds or under 230˚C
within 3 minutes
0.2
0° to
10°
1.0
Terminal functions
Operating range, frequency and DC characteristics
Item
Supply voltage
Operating
temperature
Frequency
tolerance
Temperature
characteristics
Voltage
characteristics
Aging
Symbol
V
DD
T
OPR
Condition
V
DD -
GND
—
Min.
4.5
-10
Typ.
5.0
Max.
5.5
+70
Unit
MOT
V
˚C
AD
0
to
7
GND
∆f/fo
Multiplexed bi-direction
address/data buses
Power supply (grand)
Real time clock
select (input)
Address strobe (input)
Read/ Write (input)
Data strobe (input)
Reset (input)
Interrupt request
(output)
Back-up power supply
Extended alarm
interrupt request (output)
Extended alarm
select (input)
Square wave output
Power supply (+5V)
Not connected internally
4 to 11
12
13
14
15
17
18
19
20
21
Model select (input)
1
Terminal
Function
Pin No.
Ta=25˚C, V
DD
=5V
Ta=-10 to 70˚C
25˚C standard
—
5±20
ppm
+10
-120
___
RTC
AS
Top
_
R/W
±6
—
fv
Ta=stable
Ta=25˚C, V
DD
=5V
First year
—
2.2
-0.3
V
DD
=5V
I
LOAD
=-4mA
V
DD
=5V
I
LOAD
=+4mA
Output
unloaded
V
BAT
=3V
V
DD
= 0V
—
3
2.4
ppm/V
DS
f
a
High level
Low level
High level
Low level
V
IH
V
IL
V
OH
±5
ppm/Y
_____
RESET
Input
voltage
V
DD
+0.3
0.8
___
IRQ
V
BAT
V
____
XIRQ
Output
voltage
V
OL
0.4
____
XALM
22
23
24
2,3,16
Power supply
current
Battery supply
current
I
DD
10
mA
SQW
V
DD
I
BAT
0.5
1.0
µA
NC
http://www.spezial.cz - - - spezial@spezial.cz - - - Hotlines: Tel (02) 2434 2200 - - - Fax (02) 2434 3200
