MC74F194 high-speed 4-bit bidirectional universal shift register. high

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MC74F194 high-speed 4-bit bidirectional universal shift register. high

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MC74F194 4-BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTER
MC74F194 high-speed 4-bit bidirectional universal shift register. high-speed multifunctional, sequential building block, useful wide variety applications. used serial-serial, shift left, shift right, serial-parallel, parallel-serial, parallel-parallel data register transfers. F194 similar operation S195 universal shift register, with added features shift left without external connections hold nothing) modes operation.
4-BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTER
FASTSCHOTTKY
Typical Shift Frequency Asynchronous Master Reset Hold Nothing) Mode Fully Synchronous Serial Parallel Data Transfers
FUNCTIONAL DESCRIPTION F194 contains four edge-triggered flip-flops necessary interstage logic synchronously perform shift right, shift left, parallel load hold operations. Signals applied Select (S0, inputs determine type operation, shown Function Table. Signals Select, Parallel data Serial data (DSR, DSL) inputs change when clock either state, provided only that recommended setup hold times, with respect clock rising edge, observed. signal Master Reset (MR) overrides other inputs forces outputs LOW. CONNECTION DIAGRAM
SUFFIX CERAMIC CASE 620-09
SUFFIX PLASTIC CASE 648-08
SUFFIX SOIC CASE 751B-03
ORDERING INFORMATION
MC74FXXXJ MC74FXXXN MC74FXXXD Ceramic Plastic SOIC
FUNCTION TABLE
Operating Mode Reset Hold Shift Left Shift Right Parallel Load Inputs Outputs
LOGIC SYMBOL
voltage level setup time prior LOW-to-HIGH clock transition. HIGH voltage level setup time prior LOW-to-HIGH clock transition. Lower case letters indicate state referenced input output setup time prior LOW-to-HIGH clock transition. HIGH Voltage Level Voltage Level Immaterial
FAST DATA 4-101
MC74F194
LOGIC DIAGRAM
CLEAR
CLEAR
CLEAR
CLEAR
Please note that this diagram provided only understanding logic operations should used estimate propagation delays.
GUARANTEED OPERATING RANGES
Symbol Supply Voltage Operating Ambient Temperature Range Output Current High Output Current Parameter Unit
CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits Symbol Parameter Input HIGH Voltage Input Voltage Input Clamp Diode Voltage Output HIGH Voltage Output Voltage Input HIGH Current Input Current Output Short Circuit Current (Note -150 0.35 Unit Test Conditions Guaranteed Input HIGH Voltage Guaranteed Input Voltage -1.0 -1.0 VOUT DSR, Gnd, 4.75
Power Supply Current
NOTES: conditions such MAX, appropriate value specified under guaranteed operating ranges. more than output should shorted time, more than second.
FAST DATA 4-102
MC74F194
CHARACTERISTICS
+25°C +5.0 Symbol fmax tPLH tPHL tPHL Parameter Maximum Shift Frequency Propagation Delay Propagation Delay +70°C ±10% Unit
OPERATING REQUIREMENTS
+25°C +5.0 Symbol ts(H) ts(L) th(H) th(L) ts(H) ts(L) th(H) th(L) tw(H) tw(L) trec Parameter Time, HIGH Hold Time, HIGH Time, HIGH Hold Time, HIGH Pulse Width HIGH Pulse Width Recovery Time +70°C ±10% Unit
FAST DATA 4-103

MC74F194 high-speed 4-bit bidirectional universal shift register. high

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