DS1742-70 Maxim Integrated Products, DS1742-70 Datasheet - Page 10

• Manufacturer Part Number: DS1742-70
• Description: IC RTC RAM Y2K 5V 70NS 24-EDIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAM/Y2Kr

Specifications of DS1742-70

• Memory Size: 16K (2K x 8)
• Time Format: HH:MM:SS (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: Through Hole
• Package / Case: 24-DIP (600 mil) Module
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AC CHARACTERISTICS—WRITE CYCLE (5V)
(V
AC CHARACTERISTICS—WRITE CYCLE (3.3V)
(V
Write Cycle Time
Address Access Time
Data Setup Time
Data Hold time
Address Hold Time
Write Recovery Time
Write Cycle Time
Address Setup Time
Data Setup Time
Data Hold Time
Address Hold Time
Write Recovery Time
WE
CE
WE
WE
CE
WE
CC
CC
= 5.0V ±10%, Over the operating range.)
= 3.3V ±10%, Over the operating range.)
Pulse Width
Pulse Width
Pulse Width
Data Off Time
Pulse Width
Data Off Time
PARAMETER
PARAMETER
SYMBOL
SYMBOL
t
t
t
t
t
t
t
WEW
t
t
WEW
t
CEW
t
t
CEW
t
t
t
t
WEZ
t
t
WEZ
WC
WR
WC
WR
DH
AH
DH
AH
AS
DS
AS
DS
120ns ACCESS
70ns ACCESS
MIN
MIN
120
100
110
70
50
60
30
10 of 15
80
10
0
0
5
5
0
0
0
MAX
MAX
25
40
100ns ACCESS
150ns ACCESS
MIN
MIN
100
150
130
140
70
75
40
90
10
0
0
5
5
0
0
0
MAX
MAX
35
50
UNITS NOTES
UNITS NOTES
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns