參數(shù)資料
型號： M48Z512A
廠商： 意法半導(dǎo)體
英文描述： 4 Mbit (512 Kbit x 8) ZEROPOWER SRAM(4 Mbit (512 Kbit x 8) ZEROPOWER SRAM)
中文描述： 4兆位（512千位× 8）ZEROPOWER的SRAM（4兆位（512千位× 8）ZEROPOWER的SRAM）
文件頁數(shù)： 1/24頁
文件大小： 249K
代理商： M48Z512A
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
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M48Z512A_06 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (512 Kbit x 8) ZEROPOWER SRAM
M48Z512A_10 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (512 Kbit x 8) ZEROPOWER? SRAM
M48Z512A-70CS1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit 512Kb x8 ZEROPOWER SRAM
M48Z512A-70CS9 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit 512Kb x8 ZEROPOWER SRAM
M48Z512A-70PM1 功能描述:NVRAM 4M (512Kx8) 70ns RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度:8 bit 存儲容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問時間:70 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 工作電流:85 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 封裝 / 箱體:EDIP 封裝:Tube
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