参数资料
型号: BQ4014YMB-120
厂商: Texas Instruments
文件页数: 3/14页
文件大小: 0K
描述: IC NVSRAM 2MBIT 120NS 32DIP
标准包装: 15
格式 - 存储器: RAM
存储器类型: NVSRAM(非易失 SRAM)
存储容量: 2M (256K x 8)
速度: 120ns
接口: 并联
电源电压: 4.5 V ~ 5.5 V
工作温度: 0°C ~ 70°C
封装/外壳: 32-DIP 模块(0.61",15.49mm)
供应商设备封装: 32-DIP 模块(18.42x52.96)
包装: 管件
bq4014/bq4014Y
Recommended DC Operating Conditions (TA = 0 to 70°C)
Symbol
V CC
V SS
V IL
V IH
Parameter
Supply voltage
Supply voltage
Input low voltage
Input high voltage
Minimum
4.5
4.75
0
-0.3
2.2
Typical
5.0
5.0
0
-
-
Maximum
5.5
5.5
0
0.8
V CC + 0.3
Unit
V
V
V
V
V
Notes
bq4014Y
bq4014
Note:
Typical values indicate operation at T A = 25°C.
DC Electrical Characteristics (TA = 0 to 70°C, VCCmin
≤ VCC ≤ VCCmax)
Symbol
I LI
I LO
V OH
V OL
I SB1
I SB2
Parameter
Input leakage current
Output leakage current
Output high voltage
Output low voltage
Standby supply current
Standby supply current
Minimum
-
-
2.4
-
-
-
Typical
-
-
-
-
5
2.5
Maximum
± 2
± 2
-
0.4
12
5
Unit
μ A
μ A
V
V
mA
mA
Conditions/Notes
V IN = V SS to V CC
CE = V IH or OE = V IH or
WE = V IL
I OH = -1.0 mA
I OL = 2.1 mA
CE = V IH
CE ≥ V CC - 0.2V,
0V ≤ V IN ≤ 0.2V,
or V IN ≥ V CC - 0.2
Min. cycle, duty = 100%,
I CC
V PFD
V SO
Operating supply current
Power-fail-detect voltage
Supply switch-over voltage
-
4.55
4.30
-
75
4.62
4.37
3
110
4.75
4.50
-
mA
V
V
V
CE = V IL , I I/O = 0mAV,
A17 < V IL or A17 > V IH
bq4014
bq4014Y
Note:
Typical values indicate operation at T A = 25°C, V CC = 5V.
Capacitance (TA = 25°C, F = 1MHz, VCC = 5.0V)
Symbol
C I/O
C IN
Parameter
Input/output capacitance
Input capacitance
Minimum
-
-
Typical
-
-
Maximum
40
40
Unit
pF
pF
Conditions
Output voltage = 0V
Input voltage = 0V
Note:
These parameters are sampled and not 100% tested.
Sept. 1992
3
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