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5962-89603012A 参数 Datasheet PDF下载

5962-89603012A图片预览
型号: 5962-89603012A
PDF下载: 下载PDF文件 查看货源
内容描述: 8位二进制计数器具有三态输出寄存器 [8-BIT BINARY COUNTERS WITH 3-STATE OUTPUT REGISTERS]
分类和应用: 计数器触发器逻辑集成电路输出元件
文件页数/大小: 19 页 / 582 K
品牌: TI [ TEXAS INSTRUMENTS ]
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ꢀ ꢁꢂ ꢃꢄ ꢅ ꢂꢆ ꢇꢈ ꢉ ꢀ ꢁꢊ ꢃ ꢄꢅꢂ ꢆ ꢇ ꢈ  
ꢋꢌ ꢍꢎ ꢏ ꢍ ꢎ ꢁꢈ ꢐꢑ ꢅꢒ ꢓꢁ ꢏꢔ ꢐꢀ  
ꢕꢎ ꢏ ꢄ ꢖ ꢌꢀꢏꢈꢏ ꢔ ꢒꢓꢏ ꢗꢓ ꢏ ꢐꢔ ꢘ ꢎꢀ ꢏꢔ ꢐꢀ  
SCLS039F − DECEMBER 1982 − REVISED SEPTEMBER 2003  
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)  
Supply voltage range, V  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V  
CC  
I
Input clamp current, I (V < 0 or V > V ) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA  
IK  
I
CC  
Output clamp current, I  
(V < 0 or V > V ) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA  
OK  
O O CC  
Continuous output current, I (V = 0 to V ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 mA  
Continuous current through V  
O
O
CC  
CC  
or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 mA  
Package thermal impedance, θ (see Note 2): D package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73°C/W  
JA  
DW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57°C/W  
N package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67°C/W  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C  
Storage temperature range, T  
stg  
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and  
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not  
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.  
NOTES: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.  
2. The package thermal impedance is calculated in accordance with JESD 51-7.  
recommended operating conditions (see Note 3)  
SN54HC590A  
MIN NOM MAX  
SN74HC590A  
UNIT  
MIN NOM  
MAX  
V
V
Supply voltage  
2
1.5  
5
6
2
1.5  
5
6
V
CC  
V
CC  
V
CC  
V
CC  
V
CC  
V
CC  
V
CC  
= 2 V  
= 4.5 V  
= 6 V  
3.15  
4.2  
3.15  
4.2  
High-level input voltage  
V
V
IH  
= 2 V  
0.5  
1.35  
1.8  
0.5  
1.35  
1.8  
= 4.5 V  
= 6 V  
V
IL  
Low-level input voltage  
V
V
Input voltage  
0
0
V
0
0
V
V
V
V
I
CC  
CC  
Output voltage  
V
CC  
O
CC  
V
CC  
V
CC  
V
CC  
= 2 V  
1000  
500  
400  
125  
1000  
500  
400  
85  
= 4.5 V  
= 6 V  
t
Input transition (rise and fall) time  
Operating free-air temperature  
ns  
t
T
A
−55  
−40  
°C  
If this device is used in the threshold region (from V max = 0.5 V to V min = 1.5 V), there is a potential to go into the wrong state from induced  
IL IH  
grounding, causing double clocking. Operating with the inputs at t = 1000 ns and V  
= 2 V does not damage the device; however, functionally,  
t
CC  
the CCLK and RCLK inputs are not ensured while in the shift, count, or toggle operating modes.  
NOTE 3: All unused inputs of the device must be held at V or GND to ensure proper device operation. Refer to the TI application report,  
CC  
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.  
4
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
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