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DS3832C-311 Datasheet

  • DS3832C-311

  • 3.3V, 32Mb Advanced NV SRAM with Clock

  • 429.26KB

  • 18頁

  • DALLAS   DALLAS

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DS3832C-311
3.3V, 32Mb Advanced NV SRAM
with Clock
www.maxim-ic.com
FEATURES
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3.0V to 3.6V operation
Surface-mount nonvolatile (NV) RAM ball-grid
array (BGA) module construction
1024k x 32 NV SRAM memory space and
separate 64 x 8 real-time clock (RTC)
memory space
RTC maintains hundredths of seconds,
seconds, minutes, hours, day, date, month,
and year with leap-year compensation valid
up to 2100
Removable backup power source provides
more than eight years of timekeeping and
data retention
Read and write access times as fast as 100ns for
NV SRAM memory and 200ns for RTC
Automatic data protection during power loss
Unlimited write-cycle endurance
Low-power CMOS operation
Battery monitor checks remaining capacity daily
Industrial temperature range of -40擄C to
+85擄C
PACKAGE OUTLINE
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Top View
Bottom View
Side View
Side View
DESCRIPTION
The DS3832C-311 is a 1,048,576 x 32 advanced NV SRAM module with a 168-bump BGA pinout. The
highly integrated DS3832C-311 contains a 64-byte RTC, four 8Mb SRAMs, and control circuitry that
constantly monitors V
CC
for an out-of-tolerance condition. When such a condition occurs, the DS3832C-
311 makes use of an attached DS3802 battery cap to maintain clock information and preserve stored data
while protecting that data by disallowing all memory accesses. Additionally, the DS3832C-311 has
dedicated circuitry for monitoring the status of V
CC
and the status of an attached DS3802 battery cap.
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