MC74F377 high-speed 8-Bit Register. register consists eight D-Type Fli
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MC74F377 OCTAL FLIP-FLOP WITH ENABLE
MC74F377 high-speed 8-Bit Register. register consists eight D-Type Flip-Flops with individual inputs outputs. common buffered clock (CP) input loads flip-flops simultaneously when Enable LOW. This device supplied 20-pin package.
High Impedance Base Inputs Reduced Loading
HIGH States) Ideal Addressable Register Applications Enable Address Data Synchronization Applications Eight Edge-Triggered Flip-Flops Buffered Common Clock See: MC74F373 Transparent Latch Version MC74F374 3-State Version
OCTAL FLIP-FLOP WITH ENABLE
FASTSCHOTTKY
SUFFIX CERAMIC CASE 732-03
CONNECTION DIAGRAM (TOP VIEW)
SUFFIX PLASTIC CASE 738-03
SUFFIX SOIC CASE 751D-03
ORDERING INFORMATION
MC74FXXXJ Ceramic MC74FXXXN Plastic MC74FXXXDW SOIC
FUNCTION TABLE
Inputs Operating Mode Load Load Hold nothing) Outputs Change Change
HIGH voltage level steady state; HIGH voltage level setup time prior LOW-to-HIGH Clock transition; voltage level steady state; voltage level setup time prior LOW-to-HIGH clock transition; Don't Care; LOW-to-HIGH clock transition
FAST DATA 4-278
MC74F377
FUNCTIONAL DESCRIPTION MC74F377 eight edge-triggered D-type flip-flops with individual inputs outputs. common buffered Clock (CP) input loads flip-flops simultaneously, when Enable LOW. register fully edge-triggered. state each input, setup time before LOW-to-HIGH clock transition, transferred corresponding flip-flop's output. input must stable setup time prior LOWto-HIGH clock transition predictable operation.
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 Input Current Output Short Circuit Current (Note Total Supply Current ICCH ICCL 0.35 -150 VOUT GND, -1.2 Unit Test Conditions Guaranteed Input HIGH Voltage Guaranteed Input Voltage -1.0 4.75
NOTES: conditions shown MAX, appropriate value specified under recommended operating conditions applicable device type. more than output should shorted time, more than second.
ELECTRICAL CHARACTERISTICS
+25°C +5.0 Symbol fMAX tPLH tPHL Parameter Maximum Clock Frequency Propagation Delay +70°C 10.5 Unit
FAST DATA 4-279
MC74F377
LOGIC DIAGRAM
(13)
(14)
(17)
(18)
(11) (12) (15) (16) (19)
OPERATING REQUIREMENTS
+25°C Symbol ts(H) ts(L) th(H) th(L) ts(H) ts(L) th(H) th(L) tw(H) tw(L) Parameter Setup Time, HIGH Hold Time, HIGH Setup Time, HIGH Hold Time, HIGH Clock Pulse Width HIGH +70°C Unit
FAST DATA 4-280
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