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參數(shù)資料
| 型號： | M48Z512AY-7-PM1 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 4 Mbit (512 Kbit x 8) ZEROPOWER SRAM |
| 中文描述： | 4兆位（512千位× 8）ZEROPOWER的SRAM |
| 文件頁數(shù)： | 1/24頁 |
| 文件大?。?/td> | 181K |
| 代理商： | M48Z512AY-7-PM1 |
December 2006
Rev 6
1/24
1
M48Z512A
M48Z512AY, M48Z512AV
4 Mbit (512 Kbit x 8) ZEROPOWER SRAM
Features
■
Integrated, ultra low power SRAM, power-fail
control circuit, and battery
■
Conventional SRAM operation; unlimited
WRITE cycles
■
10 years of data retention in the absence of
power
■
Automatic power-fail chip deselect and WRITE
protection
■
Two WRITE Protect voltages:
(V
PFD
= power-fail deselect voltage)
– M48Z512A:
V
CC
= 4.75 to 5.5V, 4.5V
≤
V
PFD
≤
4.75V
– M48Z512AY:
V
CC
= 4.5 to 5.5V, 4.2V
≤
V
PFD
≤
4.5V
– M48Z512AV:
V
CC
= 3.0 to 3.6V, 2.8V
≤
V
PFD
≤
3.0V
■
Battery internally isolated until power is applied
■
Pin and function compatible with JEDEC
standard 512K x 8 SRAMs
■
SOIC package provides direct connection for a
SNAPHAT top which contains the battery
■
SNAPHAT housing (battery) is replaceable
■
Equivalent Surface-Mount (SMT) solution
requires a 28-pin M40Z300/W and a stand-
alone 128K x8 LPSRAM (SNAPHAT
top to be
ordered separately
■
PMDIP32 is an ECOPACK package
Description
The M48Z512A/Y/V ZEROPOWER
RAM is a
non-volatile, 4,194,304-bit Static RAM organized
as 524,288 words by 8 bits. The devices combine
an internal lithium battery, a CMOS SRAM and a
control circuit in a plastic, 32-pin DIP Module.
For Surface-Mount environments ST provides an
equivalent SMT solution consisting of a 28-pin,
330mil SOIC NVRAM Supervisor (M40Z300/W)
and a 32-pin, (Type II TSOP, 10 x 20mm) 4Mb
LPSRAM. Both 5V and 3V versions are available
(see
Table 2 on page 7
).
The unique design allows the SNAPHAT
battery
package to be mounted on top of the SOIC
package after the completion of the surface-
mount process. Insertion of the SNAPHAT
housing after reflow prevents potential battery
damage due to the high temperatures required for
device surface-mounting. The SNAPHAT housing
is keyed to prevent reverse insertion.
The SNAPHAT battery package is shipped
separately in plastic anti-static tubes or in Tape &
Reel form. The part number is “M4Z32-BR00SH1.
PMDIP32 (PM)
Module
32
1
www.st.com
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PDF描述 |
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| M48Z512A | 4 Mbit (512 Kbit x 8) ZEROPOWER SRAM(4 Mbit (512 Kbit x 8) ZEROPOWER SRAM) |
| M48Z512AV | 4 Mbit (512 Kbit x 8) ZEROPOWER SRAM(4 Mbit (512 Kbit x 8) ZEROPOWER SRAM) |
| M48Z59 | 64Kb (8K x 8) ZEROPOWER SRAM(64K零功耗SRAM) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M48Z512AY-7-PM6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (512 Kbit x 8) ZEROPOWER SRAM |
| M48Z512AY-85CS1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit 512Kb x8 ZEROPOWER SRAM |
| M48Z512AY-85CS9 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit 512Kb x8 ZEROPOWER SRAM |
| M48Z512AY-85PM1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (512 Kbit x 8) ZEROPOWER SRAM |
| M48Z512AY-85PM6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (512 Kbit x 8) ZEROPOWER SRAM |
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