7474

Dual D-type flip-flop with set and reset; positive-edge trigger

PDF datasheet

    
1RD1 •14Vcc
1D2132RD
1CP3122D
1SD4112CP
1Q5102SD
1Q692Q
GND782Q
    
PinSymbolDescription
11RDasynchronous reset-direct input (active low)
21Ddata input
31CPclock input (low-to-high edge-triggered)
41SDasynchronous set-direct input (active low)
51Qtrue output
61Qcomplement output
7GNDground
82Qcomplement output
92Qtrue output
102SDasynchronous set-direct input (active low)
112CPclock input (low-to-high edge-triggered)
122Ddata input
132RDasynchronous reset-direct input (active low)
14Vccsupply voltage

Specifications

(typical values under recommended operating conditions, unless specified)
ParameterValueUnit
Propagation delay, nCP to nQ, nQ14 (74HC)
15 (74HCT)
ns
Propagation delay, nSD to nQ, nQ15 (74HC)
18 (74HCT)
ns
Propagation delay, nRD to nQ, nQ16 (74HC)
18 (74HCT)
ns
Maximum clock frequency76 (74HC)
59 (74HCT)
MHz

Note: Data is maintained by an independent source and accuracy is not guaranteed. Check with the manufacturer's datasheet for up-to-date information.