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參數(shù)資料
| 型號： | BQ4013Y |
| 英文描述： | Avalanche Bridge Rectifiers |
| 中文描述： | 128Kx8非易失性SRAM |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 450K |
| 代理商： | BQ4013Y |
Features
Data retention for at least 10
years without power
Automatic write-protection during
power-up/power-downcycles
Conventional SRAM operation,
including unlimited write cycles
Internal isolation of battery be-
fore power application
Industry standard 32-pin DIP
pinout
General Description
The CMOS bq4013/Y is a nonvolatile
1,048,576-bit static RAM organized as
131,072 words by 8 bits. The integral
control circuitry and lithium energy
source provide reliable nonvolatility
coupled with the unlimited write cy-
clesofstandardSRAM.
The control circuitry constantly
monitors the single 5V supply for an
out-of-tolerance condition.
V
CC
falls out of tolerance, the SRAM
is unconditionally write-protected to
prevent inadvertent write operation.
When
At this time the integral energy
source is switched on to sustain the
memory until after V
CC
returns valid.
The bq4013/Y uses an extremely
low standby current CMOS SRAM,
coupled with a small lithium coin
cell to provide nonvolatility without
long write-cycle times and the
write-cycle limitations associated
with EEPROM.
The bq4013/Y requires no external
circuitry and is socket-compatible
with industry-standard SRAMs and
most EPROMs and EEPROMs.
1
bq4013/Y
Pin Connections
9/96 D
A
0
–A
16
Address inputs
DQ
0
–DQ
7
Data input/output
CE
Chip enable input
OE
Output enable input
WE
Write enable input
NC
No connect
V
CC
Supply voltage input
V
SS
Ground
Selection Guide
Part
Number
Maximum
Access
Time (ns)
Negative
Supply
Tolerance
Part
Number
Maximum
Access
Time (ns)
Negative
Supply
Tolerance
bq4013YMA -70
bq4013YMA -85
bq4013YMA-120
70
85
120
-10%
-10%
-10%
bq4013MA -85
bq4013MA-120
85
120
-5%
-5%
128Kx8 Nonvolatile SRAM
Pin Names
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| BQ4010Y | Avalanche Bridge Rectifiers |
| BQ4015YMB-85N | Avalanche Bridge Rectifiers |
| BQ4015MB-120 | Avalanche Bridge Rectifiers |
| BQ4015MB-85 | Avalanche Bridge Rectifiers |
| BQ4015YMB-120 | Avalanche Bridge Rectifiers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BQ4013YMA120 | 制造商:BENCHMARQ 功能描述:* |
| BQ4013YMA-120 | 功能描述:NVRAM 128k x 8 NonVolatile 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 |
| BQ4013YMA-70 | 功能描述:NVRAM 128Kx8 Nonvolatile SRAM 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 |
| BQ4013YMA-70N | 功能描述:NVRAM 128Kx8 Nonvolatile SRAM 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 |
| BQ4013YMA-8 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:128Kx8 Nonvolatile SRAM |
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