CD4042BDR

CD4042B types contain four latch circuits, each strobed by a common clock. Complementary buffered outputs are available from each circuit. The impedance of the n- and p-channel output devices is balanced and all outputs are electrically identical. Information present at the data input is transferred to outputs Q and Q(overline) during the CLOCK level which is programmed by the POLARITY input. For POLARITY = 0 the transfer occurs during the 0 CLOCK level and for POLARITY = 1 the transfer occurs during the 1 CLOCK level. The outputs follow the data input providing the CLOCK and POLARITY levels defined above are present. When a CLOCK transition occurs (positive for POLARITY = 0 and negative for POLARITY = 1) the information present at the input during the CLOCK transition is retained at the outputs until an opposite CLOCK transition occurs. The CD4042B types are supplied in 16-lead hermetic dual-in-line ceramic packages (F3A suffixes), 16-lead dual-in-line plastic package (E suffix), 16-lead small-outline packages (D, DR, DT, DW, DWR, and NSR suffixes), and 16-lead thin shrink small-outline packages (PW and PWR suffixes).

Applications

• Buffer storage
• Holding register
• General digital logic

Key features

• Clock polarity control
• Q and Q(overline) outputs
• Common clock
• Low power TTL compatible
• 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 ℃
• 5-V, 10-V, and 15-V parametric ratings
• Noise margin (over full package temperature range): 1 V at VDD = 5 V, 2 V at VDD = 10 V, 2.5 V at VDD = 15 V
• Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of 'B' Series CMos Devices"