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參數(shù)資料
| 型號(hào)： | M40Z111WSH |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | NVRAM CONTROLLER for up to TWO LPSRAM |
| 中文描述： | NVRAM中控制器長達(dá)2 LPSRAM |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 89K |
| 代理商： | M40Z111WSH |
M40Z111
M40Z111W
NVRAM CONTROLLER for up to TWO LPSRAM
February 1999
1/12
CONVERT LOW POWER SRAMs into
NVRAMs
PRECISION POWER MONITORING and
POWER SWITCHING CIRCUITRY
AUTOMATIC WRITE-PROTECTION when V
CC
is OUT-OF-TOLERANCE
CHOICE of SUPPLY VOLTAGES and
POWER-FAIL DESELECT VOLTAGES:
– M40Z111:
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
– M40Z111W:
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
LESS THAN 15ns CHIP ENABLE ACCESS
PROPAGATION DELAY (for 5.0V device)
PACKAGING INCLUDES a 28-LEAD SOIC
and SNAPHAT
TOP
(to be Ordered Separately)
SOIC PACKAGE PROVIDES DIRECT
CONNECTION for a SNAPHAT TOP which
CONTAINS the BATTERY
DESCRIPTION
The M40Z111/111W NVRAM Controller is a self-
contained device which converts a standard low-
power SRAM into a non-volatile memory.
A precision voltage reference and comparator
monitors the V
CC
input for an out-of-tolerance con-
dition.
AI02238B
THS
VCC
M40Z111
M40Z111W
ECON
VSS
E
VOUT
Figure 1. Logic Diagram
THS
Threshold Select Input
E
Chip Enable Input
E
CON
Conditioned Chip Enable Output
V
OUT
Supply Voltage Output
V
CC
Supply Voltage
V
SS
Ground
Table 1. Signal Names
SNAPHAT (SH)
Battery
28
1
SOH28 (MH)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M40Z111MH | Multiconductor Cable; Number of Conductors:8; No. Strands x Strand Size:Solid; Jacket Material:Polyvinylchloride (PVC); Number of Pairs:4; Leaded Process Compatible:Yes |
| M40Z300 | NVRAM CONTROLLER for up to EIGHT LPSRAM |
| M40Z300MH | NVRAM CONTROLLER for up to EIGHT LPSRAM |
| M40Z300MH1TR | NVRAM CONTROLLER for up to EIGHT LPSRAM |
| M40Z300MQ | NVRAM CONTROLLER for up to EIGHT LPSRAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M40Z300 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5V or 3V NVRAM supervisor for up to 8 LPSRAMs |
| M40Z300_05 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5V or 3V NVRAM Supervisor for Up to 8 LPSRAMs |
| M40Z300_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5V or 3V NVRAM supervisor for up to 8 LPSRAMs |
| M40Z300_10 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:5 V or 3 V NVRAM supervisor for up to 8 LPSRAMs |
| M40Z300AV | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:3V NVRAM Supervisor for Up to 8 LPSRAMs |
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