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參數(shù)資料
| 型號(hào)： | M40Z300SH |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | NVRAM CONTROLLER for up to EIGHT LPSRAM |
| 中文描述： | NVRAM中多達(dá)8個(gè)LPSRAM控制器 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 128K |
| 代理商： | M40Z300SH |
1/16
March 2000
M40Z300
M40Z300W
NVRAM CONTROLLER for up to EIGHT LPSRAM
I
CONVERT LOW POWER SRAMs into
NVRAMs
I
PRECISION POWER MONITORING and
POWER SWITCHING CIRCUITRY
I
AUTOMATIC WRITE-PROTECTION when V
CC
is OUT-OF-TOLERANCE
I
TWO INPUT DECODER ALLOWS CONTROL
for up to 8 SRAMs (with 2 devices active in
parallel)
I
CHOICE of SUPPLY VOLTAGES and
POWER-FAIL DESELECT VOLTAGES:
– M40Z300:
V
CC
= 4.5V to 5.5V
THS = V
SS
4.5V
≤
V
PFD
≤
4.75V
THS = V
OUT
4.2V
≤
V
PFD
≤
4.5V
– M40Z300W:
V
CC
= 3.0V to 3.6V
THS = V
SS
2.8V
≤
V
PFD
≤
3.0V
V
CC
= 2.7V to 3.3V
THS = V
OUT
2.5
≤
V
PFD
≤
2.7V
I
RESET OUTPUT (RST) for POWER ON
RESET
I
LESS THAN 12ns CHIP ENABLE ACCESS
PROPAGATION DELAY (for 5.0V device)
I
PACKAGING INCLUDES a 28-LEAD SOIC
and SNAPHAT
TOP, or a 16-LEAD SOIC
(to be Ordered Separately)
I
SOIC PACKAGE PROVIDES DIRECT
CONNECTION for a SNAPHAT TOP which
CONTAINS the BATTERY
I
BATTERY LOW PIN (BL)
DESCRIPTION
The M40Z300/W NVRAM Controller is a self-con-
tained device which converts a standard low-pow-
er SRAM into a non-volatile memory. A precision
voltage reference and comparator monitors the
V
CC
input for an out-of-tolerance condition.
Figure 1. Logic Diagram
AI02242
THS
VCC
M40Z300
M40Z300W
BL
VSS
E
VOUT
B
A
E1CON
E2CON
E3CON
E4CON
RST
B+
(1)
B–
(1)
NOTE: 1. For 16-pin SOIC package only.
28
1
SOH28 (MH)
SNAPHAT (SH)
Battery
16
1
SO16 (MQ)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M40Z300W | NVRAM CONTROLLER for up to EIGHT LPSRAM |
| M40Z300WMH | NVRAM CONTROLLER for up to EIGHT LPSRAM |
| M40Z300WMH1 | NVRAM CONTROLLER for up to EIGHT LPSRAM |
| M40Z300WMH1TR | NVRAM CONTROLLER for up to EIGHT LPSRAM |
| M40Z300WMQ | NVRAM CONTROLLER for up to EIGHT LPSRAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M40Z300W | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5V or 3V NVRAM supervisor for up to 8 LPSRAMs |
| M40Z300WMH | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:NVRAM CONTROLLER for up to EIGHT LPSRAM |
| M40Z300WMH1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:NVRAM CONTROLLER for up to EIGHT LPSRAM |
| M40Z300WMH1E | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5V or 3V NVRAM supervisor for up to 8 LPSRAMs |
| M40Z300WMH1F | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5V or 3V NVRAM supervisor for up to 8 LPSRAMs |
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