DS1284Q/T&R Maxim Integrated Products, DS1284Q/T&R Datasheet - Page 10
DS1284Q/T&R
Manufacturer Part Number
DS1284Q/T&R
Description
IC TIMEKEEPER WATCHDOG 28-PLCC
Manufacturer
Maxim Integrated Products
Type
Watchdog Timerr
Datasheet
1.DS1284QN.pdf
(18 pages)
Specifications of DS1284Q/T&R
Memory Size
50B
Time Format
HH:MM:SS:hh (12/24 hr)
Date Format
YY-MM-DD-dd
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
28-LCC, 28-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS1284Q/T&RDS1284Q/T&R
Manufacturer:
Maxim Integrated
Quantity:
10 000
Part Number:
DS1284Q/T&RDS1284Q/TR
Manufacturer:
DALLAS
Quantity:
20 000
CAPACITANCE
(T
AC ELECTRICAL CHARACTERISTICS
(V
Input Capacitance
Output Capacitance
Input/Output Capacitance
Read Cycle Time
Address Access Time
CE Access Time
OE Access Time
OE or CE to Output Active
Output High-Z from Deselect
Output Hold from Address Change
Write Cycle Time
Write Pulse Width
Address Setup Time
Write Recovery Time
Output High-Z from WE
Output Active from WE
Data Setup Time
Data Hold Time
INTA, INTB Pulse Width
A
CC
= +25°C)
= 4.5V to 5.5V, T
PARAMETER
PARAMETER
A
= -40C to +85C or 0°C to +70°C.)
SYMBOL
SYMBOL
C
t
t
t
C
t
t
C
t
t
t
t
t
t
ODW
OEW
t
t
t
t
ACC
COE
t
IPW
WC
AW
WR
OUT
OD
OH
WP
DH
RC
CO
OE
DS
I/O
IN
10 of 18
MIN
MIN
150
150
140
10
10
10
10
45
0
0
3
TYP
TYP
7
7
7
MAX
MAX
10
10
10
150
150
60
60
50
UNITS
UNITS
ms
pF
pF
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DS1284/DS1286
NOTES
NOTES
11,12
4,5
1
3
4