CD4027 is a single monolithic chip integrated circuit containing two identical complementary-symmetry J-K master-slave flip-flops. Each flip-flop has provisions for individual J, K, Set, Reset, and Clock input signals. Buffered Q and Q\ signals are provided as outputs. This input-output arrangement provides for compatible operation with the RCA-CD4013B dual D-type flip-flop.
The CD4027 is useful in performing control, register, and toggle functions. Logic levels present at the J and K inputs along with internal self-steering control the state of each flip-flop; changes in the flip-flop state are synchronous with the positive-going transition of the clock pulse. Set and reset functions are independent of the clock and are initiated when a high level signal is present at either the Set or Reset input.
The CD4027 types are supplied in 16-lead hermetic dual-in-line ceramic packages (F3A suffix), 16-lead dual-in-line plastic packages (E suffix), 16-lead small-outline packages (M, M96, MT and NSR suffixes), and 16-lead thin shrink small-outline packages (PW and PWR suffixes).
- Set-Reset capability
- Static flip-flop operation — retains state indefinitely with clock level either “high” or “low”
- Medium speed operation — 16 MHz (typ.) clock toggle rate at 10 V
- Standardized, symmetrical output characteristics
- 100% tested for quiescent current at 20 V
- Maximum input current of 1 µA at 18 V over full package-temperature range; 100 nA at 18 V and 25°C
- Noise margin (full package-temperature range) =
1 V at VDD = 5 V
2 V at VDD = 10 V
2.5 V at VDD = 15 V
- 5-V, 10-V, and 15-V parametric ratings
- Meets all requirements of JEDEC Tentative Standard No. 13B, “Standard Specifications for Description of ’B’ Series CMOS Devices”
- Registers, counters, control circuits
|VCC (Min) (V)||3|
|VCC (Max) (V)||18|
|Voltage (Nom) (V)||10|
|F @ nom voltage (Max) (MHz)||8|
|ICC @ nom voltage (Max) (mA)||0.06|
|tpd @ nom Voltage (Max) (ns)||130|
|IOL (Max) (mA)||1.5|
|IOH (Max) (mA)||-1.5|
|Rating||See Data Sheet|
* product image for illustration purposes only. actual product may vary.
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