DS1553W-120+ Maxim Integrated Products, DS1553W-120+ Datasheet - Page 2

• Manufacturer Part Number: DS1553W-120+
• Description: IC RTC RAM Y2K 3.3V 120NS 28EDIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAM/Y2Kr

Specifications of DS1553W-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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIN DESCRIPTION
EDIP
10
21
23
24
25
11
12
13
15
16
17
18
19
20
22
26
27
28
—
1
2
3
4
5
6
7
8
9
PIN
PowerCap
2, 3, 31–34
30
25
24
23
22
21
20
19
18
28
29
27
26
16
15
14
13
12
11
10
17
2
9
8
7
1
6
5
IRQ/FT
NAME
GND
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
RST
A12
A10
A11
N.C
WE
V
CE
OE
A7
A6
A5
A4
A3
A2
A1
A0
A9
A8
CC
Active-Low Power-On Reset Output (Open Drain)
Address Inputs
Data Input/Outputs
Active-Low Chip Enable
Active-Low Output Enable
Active-Low Interrupt/Frequency Test Output (Open Drain)
Active-Low Write Enable
Power-Supply Input
Ground
No Connection
2 of 20
FUNCTION