MC74F112 contains independent, high-speed flip-flops with Direct Clear
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MC74F112 DUAL NEGATIVE EDGE-TRIGGERED FLIP-FLOP
MC74F112 contains independent, high-speed flip-flops with Direct Clear inputs. Synchronous state changes initiated falling edge clock. Triggering occurs voltage level clock directly related transition time. inputs change when clock either state without affecting flip-flop, provided that they desired state during recommended setup hold times relative falling edge clock. signal prevents clocking forces HIGH, respectively. Simultaneous signals force both HIGH. CONNECTION DIAGRAM
DUAL NEGATIVE EDGE-TRIGGERED FLIP-FLOP
FASTSCHOTTKY
SUFFIX CERAMIC CASE 620-09
SUFFIX PLASTIC CASE 648-08
FUNCTION TABLE (Each Half)
Inputs
Asynchronous Inputs: Input sets HIGH level Input sets level Clear independent clock Simultaneous makes both HIGH HIGH Voltage Level Voltage Level time before clock pulse time after clock pulse
Output
SUFFIX SOIC CASE 751B-03
ORDERING INFORMATION
MC74FXXXJ MC74FXXXN MC74FXXXD Ceramic Plastic SOIC
LOGIC SYMBOL
FAST DATA 4-45
MC74F112
LOGIC DIAGRAM (one half shown)
GUARANTEED OPERATING RANGES
Symbol Supply Voltage Operating Ambient Temperature Range Output Current High Output Current Parameter -1.0 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 0.35 Input Current Inputs) Inputs) Inputs) Output Short Circuit Current (Note Power Supply Current -0.6 -2.4 -3.0 -150 -1.2 Unit MAX, VOUT MAX, MAX, Test Conditions Guaranteed Input HIGH Voltage Guaranteed Input Voltage -1.0 -1.0 4.50 4.75
MAX, MAX,
NOTES: conditions shown MAX, appropriate value specified under guaranteed operating ranges. more than output should shorted time, more than second.
FAST DATA 4-46
MC74F112
CHARACTERISTICS
+25°C +5.0 Symbol fmax tPLH tPHL tPLH tPHL Parameter Maximum Clock Frequency Propagation Delay Propagation Delay +70°C Unit
OPERATING REQUIREMENTS
+25°C +5.0 Symbol trec Parameter Setup Time, HIGH Hold Time, HIGH Pulse Width, HIGH Pulse Width, Recovery Time +70°C Unit
FAST DATA 4-47
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