DS1743W-120+ Maxim Integrated Products, DS1743W-120+ Datasheet - Page 11

• Manufacturer Part Number: DS1743W-120+
• Description: IC RTC RAM Y2K 3.3V 120NS 28EDIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAM/Y2Kr

Specifications of DS1743W-120+

• Memory Size: 64K (8K x 8)
• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 28-DIP Module (600 mil), 28-EDIP
• Function: Clock/Calendar/NV Timekeeping RAM
• Rtc Memory Size: 8192 Byte
• Supply Voltage (max): 3.63 V
• Supply Voltage (min): 2.97 V
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole
• Rtc Bus Interface: Parallel
• Supply Current: 15 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AC CHARACTERISTICS—WRITE CYCLE (5V)
(V
AC CHARACTERISTICS—WRITE CYCLE (3.3V)
(V
Write Cycle Time
Address Setup Time
WE Pulse Width
CE Pulse Width
CE2 Pulse Width
Data Setup Time
Data Hold Time CE
Data Hold Time CE2
Address Hold Time
WE Data-Off Time
Write Recovery Time
Write Cycle Time
Address Setup Time
WE Pulse Width
CE and CE2 Pulse Width
Data Setup Time
Data Hold Time CE
Data Hold Time CE2
Address Hold Time
WE Data-Off Time
Write Recovery Time
CC
CC
= 5.0V 10%, T
= 3.3V 10%, T
PARAMETER
PARAMETER
A
A
= Over the Operating Range.)
= Over the Operating Range.)
SYMBOL
t
t
t
t
CE2W
t
WEW
t
t
t
t
t
CEW
t
WEZ
WC
WR
DH
DH
AH
AS
DS
SYMBOL
MIN
t
t
t
t
WEW
t
70
50
60
65
30
10
t
t
t
t
CEW
t
WEZ
0
0
8
5
WC
WR
DH
DH
AH
AS
DS
DS1743/DS1743P Y2K-Compliant, Nonvolatile Timekeeping RAMs
70ns
MAX
11 of 16
25
MIN
120
100
110
80
10
10
0
0
0
120ns
MIN
85
65
70
75
35
10
0
0
8
5
ACCESS
MAX
85ns
40
ACCESS
MAX
30
MIN
150
130
140
90
10
10
0
0
0
150ns
MIN
100
70
75
85
40
10
0
0
8
5
MAX
100ns
50
MAX
35
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
5
5
5
5
5
5
NOTES
5
5
5
5
5
5
5