Texas Instruments SNJ54166J
- Part Number:
- SNJ54166J
- Manufacturer:
- Texas Instruments
- Ventron No:
- 5214905-SNJ54166J
- Description:
- Parallel-Load 8-Bit Shift Registers
- Datasheet:
- sn54166
- Technology familyTTL
- Supply voltage (min) (V)4.5
- Supply voltage (max) (V)5.5
- Operating temperature range (°C)-55 to 125
- RatingMilitary
The '166 and 'LS166A 8-bit shift registers are compatible with most other TTL logic families. All '166 and 'LS166A inputs are buffered to lower the drive requirements to one Series 54/74 or Series 54LS/74LS standard load, respectively. Input clamping diodes minimize switching transients and simplify system design.
These parallel-in or serial-in, serial-out shift registers have a complexity of 77 equivalent gates on a monolithic chip. They feature gated clock inputs and an overriding clear input. The parallel-in or serial-in modes are established by the shift/load input. When high, this input enables the serial data input and couples the eight flip-flops for serial shifting with each clock pulse. When low, the parallel (broadside) data inputs are enabled and synchronous loading occurs on the next clock pulse. During parallel loading, serial data flow is inhibited. Clocking is accomplished on the low-to-high-level edge of the clock pulse through a two-input positive NOR gate permitting one input to be used as a clock-enable or clock-inhibit function. Holding either of the clock inputs high inhibits clocking; holding either low enables the other clock input. This, of course, allows the system clock to be free-running and the register can be stopped on command with the other clock input. The clock inhibit input should be changed to the high level only while the clock input is high. A buffered, direct clear input overrides all other inputs, including the clock, and sets all flip-flops to zero.
Parallel-Load 8-Bit Shift egisters 16-CDIP -55 to 125
PARALLEL-LOAD 8-BIT SHIFT REGIST
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ImagePart NumberManufacturerTechnology familySupply voltage (min) (V)Supply voltage (max) (V)Operating temperature range (°C)RatingNumber of channelsIOL (max) (mA)Supply current (max) (μA)IOH (max) (mA)Input typeOutput typeFeaturesView Compare
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SNJ54166JTTL4.55.5-55 to 125Military--------
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TTL---55 to 125Military-------
-
TTL4.55.5-55 to 125Military630410000.25BipolarOpen-collectorHigh speed (tpd 10-50ns)
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TTL4.55.5-55 to 125Military640510000BipolarOpen-collectorHigh speed (tpd 10-50ns)
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