54LS668
Microcircuits, Electronic
MICROCIRCUIT,DIGITAL
54LS668
5962 - Microcircuits, Electronic
Texas Instruments Incorporated
MICROCIRCUIT,DIGITAL
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Technical Characteristics
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Body Height
0.180 inches maximum
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Body Width
0.245 inches minimum and 0.280 inches maximum
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Operating Temp Range
-55.0/+125.0 deg celsius
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Body Length
0.755 inches minimum and 0.785 inches maximum
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Design Function And Quantity
1 counter, decade, up/down
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Maximum Power Dissipation Rating
100.0 milliwatts
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Time Rating Per Chacteristic
40.00 nanoseconds maximum propagation delay time, low to high level output and 60.00 nanoseconds maximum propagation delay time, high to low level output
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Terminal Type And Quantity
16 printed circuit
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Storage Temp Range
-65.0/+150.0 deg celsius
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Terminal Surface Treatment
solder
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Voltage Rating And Type Per Characteristic
7.0 volts maximum power source
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Input Circuit Pattern
9 input
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Inclosure Material
ceramic and glass
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Inclosure Configuration
dual-in-line
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Features Provided
w/enable and synchronous and fast carry and w/buffered output and hermetically sealed and programmable
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Output Logic Form
transistor-transistor logic