DS1556P Maxim Integrated Products, Inc., DS1556P Datasheet - Page 2

• Manufacturer Part Number: DS1556P
• Description: 1m, Nonvolatile, Y2k-compliant Timekeeping Ram
• Manufacturer: Maxim Integrated Products, Inc.

PIN DESCRIPTION
A0–A16
DQ0–DQ7
IRQ/FT
RST
CE
OE
WE
V
GND
N.C.
X1, X2
V
ORDERING INFORMATION
+ Denotes a lead-free/RoHS-compliant device.
* DS9034-PCX, DS9034I-PCX, DS9034-PCX+, or DS9034I-PCX+ required (must be ordered separately).
** A “+” in top mark denotes a lead-free device. An “IND” anywhere on the top mark indicates an industrial temperature grade device.
DS1556-70
DS1556-70+
DS1556-70IND
DS1556-70IND+
DS1556P-70
DS1556P-70+
DS1556P-70IND
DS1556P-70IND+
DS1556W-120
DS1556W-120IND
DS1556W-120IND+
DS1556WP-120
DS1556WP-120+
DS1556WP-120IND
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
-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
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
5.0
5.0
5.0
5.0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
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DS1556 1M, Nonvolatile, Y2K-Compliant Timekeeping RAM
32 EMOD (0.740a)
32 EMOD (0.740a)
34 PowerCap*
34 PowerCap*
32 EMOD (0.740a)
34 PowerCap*
34 PowerCap*
PIN-PACKAGE
32 EMOD (0.740a)
32 EMOD (0.740a)
34 PowerCap*
34 PowerCap*
32 EMOD (0.740a)
32 EMOD (0.740a)
34 PowerCap*
34 PowerCap*
TOP MARK**
DS1556-070
DS1556070
DS1556-070
DS1556070
DS1556P-70
DS1556P+70
DS1556P-70
DS1556P+70
DS1556W-120
DS1556W-120
DS1556W120
DS1556WP-120
DS1556WP+120
DS1556WP-120
DS1556WP+120