DS1556-70IND+ Maxim Integrated Products, DS1556-70IND+ Datasheet - Page 2

• Manufacturer Part Number: DS1556-70IND+
• Description: IC RTC RAM Y2K 5V 70NS 32-EDIP
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/NVSRAM/Y2Kr

Specifications of DS1556-70IND+

• Memory Size: 1M (128K 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: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 32-DIP Module (600 mil), 32-EDIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIN DESCRIPTION
A0–A16
DQ0–DQ7
IRQ/FT
RST
CE
OE
WE
V
GND
N.C.
X1, X2
V
ORDERING INFORMATION
+Denotes a lead(Pb)-free/RoHS-compliant package.
*DS9034-PCX+ or DS9034I-PCX+ required (must be ordered separately).
**A “+” in top mark denotes a lead(Pb)-free device. An “IND” anywhere on the top mark indicates an industrial temperature grade device.
DS1556-70+
DS1556-70IND+
DS1556P-70+
DS1556P-70IND+
DS1556W-120+
DS1556W-120IND+
DS1556WP-120+
DS1556WP-120IND+
CC
BAT
PART
- Address Input
- Data Input/Outputs
- Chip Enable
- Output Enable
- Write Enable
- Power Supply Input
- Ground
- No Connection
- Crystal Connection
- Battery Connection
- Interrupt, Frequency Test Output (Open Drain)
- Power-On Reset Output (Open Drain)
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
VOLTAGE
(V)
5.0
5.0
5.0
5.0
3.3
3.3
3.3
3.3
2 of 18
DS1556 1M, Nonvolatile, Y2K-Compliant Timekeeping RAM
PIN-PACKAGE
32 EDIP (0.740a)
32 EDIP (0.740a)
34 PowerCap*
34 PowerCap*
32 EDIP (0.740a)
32 EDIP (0.740a)
34 PowerCap*
34 PowerCap*
TOP MARK**
DS1556+070
DS1556+070 IND
DS1556P+70
DS1556P+70 IND
DS1556W+120
DS1556W+120 IND
DS1556WP+120
DS1556WP+120 IND