(China (Mainland))
Product Summary
The CD4020BE is a CMOS ripple-carry binary counter/divider. All counter stages are master-slave flip-flops. he state of a counter advances one count on teh negative transition of each inputs pulse; a high level on the RESET line resets the counter to its all zeros state. Schmitt trigger action on the input-pulse line permits unlimited rise and fall times. All inputs and outputs are buffered. The applications of the CD4020BE include control counter, frequency dividers, timers and time-delay circuits.
Parametrics
CD4020BE absolute maximum ratings: (1)DC supply voltage range, VDSD: -0.5 to 20V; (2)input voltage range, all inputs: -0.5 to VDD+0.5V; (3)DC input current, any one input: ±10mA; (4)power dissipation per package, PD: 500mW for TA=-55 to 100℃; (5)device dissipation per output transistor: 100mW; (6)operating temperature range, TA: -55 to 125℃; (7)storage tmperature range, Tstg: -65 to 150℃; (8)lead temperature: 250℃.
Features
CD4020BE features: (1)medium-speed operation; (2)fully static operation; (3)buffered inputs and outputs; (4)100% tested for quiescent current at 20V; (5)standardized, symmetrical output charactristics; (6)fully static operaiton; (7)common reset; (8)5V, 10V, and 15V parametric ratings; (9)maximum input current of 1μA at 18V over full package temperature range; 100nA at 18V and 25℃; (10)noise margin: 1V at VDD=5V; 2V at VDD=10V; 2.5V at VDD=15V; (11)meets all requirements of JEDEC tentative standard.
Diagrams
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 CD4020BE |
Texas Instruments |
Counter ICs 14-Bit Ripple-Carry |
Data Sheet |
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CD4020BEE4 |
Texas Instruments |
Counter ICs 14-Bit Ripple-Carry |
Data Sheet |
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