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BQ4014Y 参数 Datasheet PDF下载

BQ4014Y图片预览
型号: BQ4014Y
PDF下载: 下载PDF文件 查看货源
内容描述: 256Kx8非易失SRAM\n [256Kx8 Nonvolatile SRAM ]
分类和应用: 静态存储器
文件页数/大小: 11 页 / 765 K
品牌: TI [ TEXAS INSTRUMENTS ]
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bq4014/bq4014Y  
Recommended DC Operating Conditions (T = 0 to 70°C)  
A
Symbol  
Parameter  
Minimum  
Typical  
Maximum  
Unit  
V
Notes  
bq4014Y  
bq4014  
4.5  
4.75  
0
5.0  
5.0  
0
5.5  
VCC  
Supply voltage  
5.5  
0
V
VSS  
VIL  
VIH  
Supply voltage  
V
Input low voltage  
Input high voltage  
-0.3  
2.2  
-
0.8  
V
-
VCC + 0.3  
V
Note:  
Typical values indicate operation at TA = 25°C.  
DC Electrical Characteristics (T = 0 to 70°C, V  
V  
V  
)
CCmax  
A
CCmin  
CC  
Symbol  
ILI  
Parameter  
Minimum  
Typical  
Maximum  
Unit  
Conditions/Notes  
Input leakage current  
-
-
VIN = VSS to VCC  
± 2  
µA  
µA  
CE = VIH or OE = VIH or  
WE = VIL  
ILO  
Output leakage current  
-
-
± 2  
VOH  
VOL  
ISB1  
Output high voltage  
Output low voltage  
Standby supply current  
2.4  
-
-
-
V
V
IOH = -1.0 mA  
IOL = 2.1 mA  
CE = VIH  
-
-
0.4  
12  
5
mA  
CE VCC - 0.2V,  
0V VIN 0.2V,  
or VIN VCC - 0.2  
ISB2  
Standby supply current  
Operating supply current  
-
2.5  
75  
5
mA  
mA  
Min. cycle, duty = 100%,  
CE = VIL, II/O = 0mAV,  
A17 < VIL or A17 > VIH  
ICC  
110  
-
4.55  
4.30  
-
4.62  
4.37  
3
4.75  
4.50  
-
V
V
V
bq4014  
VPFD  
Power-fail-detect voltage  
Supply switch-over voltage  
bq4014Y  
VSO  
Note:  
Typical values indicate operation at TA = 25°C, VCC = 5V.  
Capacitance (T = 25°C, F = 1MHz, V  
= 5.0V)  
A
CC  
Symbol  
CI/O  
Parameter  
Input/output capacitance  
Input capacitance  
Minimum  
Typical  
Maximum  
Unit  
Conditions  
Output voltage = 0V  
Input voltage = 0V  
-
-
-
-
40  
40  
pF  
pF  
CIN  
Note:  
These parameters are sampled and not 100% tested.  
Sept. 1992  
3
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