DS1230W 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated

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DS1230W

3.3V 256k Nonvolatile SRAM

Dallas Semiconductor -> Maxim Integrated 

DS1230W

PACKAGES

The DS1230W is available in two packages: 28-pin DIP and 34-pin PowerCap Module (PCM). The 28-

pin DIP integrates a lithium battery, an SRAM memory and a nonvolatile control function into a single

package with a JEDEC-standard, 600-mil DIP pinout. The 34-pin PowerCap Module integrates SRAM

memory and nonvolatile control into a module base along with contacts for connection to the lithium

battery in the DS9034PC PowerCap. The PowerCap Module package design allows a DS1230W to be

surface mounted without subjecting its lithium backup battery to destructive high-temperature reflow

soldering. After a DS1230W module base is reflow soldered, a DS9034PC PowerCap is snapped on top

of the base to form a complete Nonvolatile SRAM module. The DS9034PC is keyed to prevent improper

attachment. DS1230W module bases and DS9034PC PowerCaps are ordered separately and shipped in

separate containers. See the DS9034PC data sheet for further information.

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