Product Summary
The 74HC74D is a high-speed Si-gate CMOS device and is pin compatible with low power Schottky TTL (LSTTL). The device is specified in compliance with JEDEC standard no. 7A. The 74HC74D is a dual positive-edge triggered, D-type flip-flop with individual data (D) inputs, clock (CP) inputs, set (SD) and reset (RD) inputs; also complementary Q andQ outputs. The set and reset are asynchronous active LOW inputs and operate independently of the clock input.
Parametrics
74HC74D absolute maximum ratings: (1)Supply voltage, VCC: -0.5 +7.0 V; (2)Input diode current, IIK: ±20 mA; (3)Output diode current, IOK: ±20 mA; (4)Output source or sink current, IO: ±25 mA; (5)VCC or GND current, ICC, IGND: ±100 mA; (6)Storage temperature, Tstg: -65 to +150℃; (7)Power dissipation, Ptot: 500 mW.
Features
74HC74D features: (1)Wide supply voltage range from 2.0 to 6.0V; (2)Symmetrical output impedance; (3)High noise immunity; (4)Low power dissipation; (5)Balanced propagation delays; (6)ESD protection: HBM EIA/JESD22-A114-A exceeds 2000 V; MM EIA/JESD22-A115-A exceeds 200 V.
Diagrams
<IMG border=0 alt="74HC74D block diagram" src="http://www.seekic.com/uploadfile/ic-mfg/2012102941031775.jpg">
| Image | Part No | Mfg | Description | ![]()  | 
                            Pricing (USD)  | 
                            Quantity | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
![]()  | 
                            ![]() 74HC74D  | 
                            ![]() NXP Semiconductors  | 
                            ![]() Flip Flops DUAL D F/F POS-EDGE  | 
                            ![]() Data Sheet  | 
                            ![]() Negotiable  | 
                            
                            	 | 
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![]()  | 
                            ![]() 74HC74D,652  | 
                            ![]() NXP Semiconductors  | 
                            ![]() Flip Flops DUAL D F/F POS-EDGE  | 
                            ![]() Data Sheet  | 
                            ![]() 
  | 
                            
                            	 | 
                      ||||||||||||
![]()  | 
                            ![]() 74HC74D,653  | 
                            ![]() NXP Semiconductors  | 
                            ![]() Flip Flops DUAL D-TYPE POSITIVE EDGE-TRIG  | 
                            ![]() Data Sheet  | 
                            ![]() 
  | 
                            
                            	 | 
                      ||||||||||||
![]()  | 
                            ![]() 74HC74DB  | 
                            ![]() NXP Semiconductors  | 
                            ![]() Flip Flops DUAL D-TYPE POSITIVE EDGE-TRIG  | 
                            ![]() Data Sheet  | 
                            ![]() Negotiable  | 
                            
                            	 | 
                      ||||||||||||
![]()  | 
                            ![]() 74HC74DB,112  | 
                            ![]() NXP Semiconductors  | 
                            ![]() Flip Flops DUAL D-TYPE POSITIVE  | 
                            ![]() Data Sheet  | 
                            ![]() 
  | 
                            
                            	 | 
                      ||||||||||||
![]()  | 
                            ![]() 74HC74DB,118  | 
                            ![]() NXP Semiconductors  | 
                            ![]() Flip Flops DUAL D-TYPE POSITIVE  | 
                            ![]() Data Sheet  | 
                            ![]() 
  | 
                            
                            	 | 
                      ||||||||||||
![]()  | 
                            ![]() 74HC74DB-T  | 
                            ![]() NXP Semiconductors  | 
                            ![]() Flip Flops DUAL D-TYPE POSITIVE EDGE-TRIG  | 
                            ![]() Data Sheet  | 
                            ![]() Negotiable  | 
                            
                            	 | 
                      ||||||||||||
![]()  | 
                            ![]() 74HC74DTR2G  | 
                            ![]() ON Semiconductor  | 
                            ![]() Flip Flops DUAL D TYPE FLIP FLOP  | 
                            ![]() Data Sheet  | 
                            ![]() 
  | 
                            
                            	 | 
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 (China (Mainland)) 
                         
                        
                                    








