CD4042BM CD4042BC Quad Clocked D Latch
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- Clarence Patterson
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1 CD4042BM CD4042BC Quad Clocked D Latch General Description The CD4042BM CD4042BC quad clocked D latch is a monolithic complementary MOS (CMOS) integrated circuit constructed with P- and N-channel enhancement mode transistors The outputs Q and Q either latch or follow the data input depending on the clock level which is programmed by the polarity input For polarity e 0 the information present at the data input is transferred to Q and Q during 0 clock level and for polarity e 1 the transfer occurs during the 1 clock level When a clock transition occurs (positive for polarity e 0 and negative for polarity e 1) the information present at the input during the clock transition is retained at the outputs until an opposite clock transition occurs Connection Diagram Dual-In-Line Package Features March 1988 Y Wide supply voltage range 3 0V to 15V Y High noise immunity 0 45 VDD (typ ) Y Low power TTL Fan out of 2 driving 74L compatibility or 1 driving 74LS Y Clock polarity control Y Fully buffered data inputs Y Q and Q outputs Truth Table Clock Polarity Q 0 0 D L 0 Latch 1 1 D K 1 Latch CD4042BM CD4042BC Quad Clocked D Latch Order Number CD4042B Top View TL F Logic Diagrams TL F TL F TL F C1995 National Semiconductor Corporation TL F 5966 RRD-B30M105 Printed in U S A
2 Absolute Maximum Ratings (Notes 1 and 2) If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage (V DD ) b0 5V to a18v Input Voltage (V IN ) b0 5V to V DD a0 5V Storage Temperature Range (T S ) b65 Ctoa150 C Power Dissipation (P D ) Dual-In-Line 700 mw Small Outline 500 mw Lead Temperature (T L ) (Soldering 10 seconds) 260 C Recommended Operating Conditions (Note 2) Supply Voltage (V DD ) Input Voltage (V IN ) Operating Temperature Range (T A ) CD4042BM CD4042BC 3Vto15V 0VtoV DD b55 Ctoa125 C b40 Ctoa85 C DC Electrical Characteristics CD4042BM (Note 2) Symbol Parameter Conditions b55 C a25 C a125 C Min Max Min Typ Max Min Max I DD Quiescent Device Current V DD e 5V ma V DD e 10V ma V DD e 15V ma V OL Low Level Output Voltage li Ol k 1 ma V IH e V DD V IL e 0V V DD e 5V V V DD e 10V V V DD e 15V V V OH High Level Output Voltage li Ol k 1 ma V IH e V DD V IL e 0V V DD e 5V V V DD e 10V V V DD e 15V V V IL Low Level Input Voltage li Ol k 1 ma V DD e 5V V O e 0 5V or 4 5V V V DD e 10V V O e 1V or 9V V V DD e 15V V O e 1 5V or 13 5V V V IH High Level Input Voltage li Ol k 1 ma V DD e 5V V O e 0 5V or 4 5V V V DD e 10V V O e 1V or 9V V V DD e 15V V O e 1 5V or 13 5V V I OL Low Level Output Current V IH e V DD V IL e 0V (Note 4) V DD e 5V V O e 0 4V ma V DD e 10V V O e 0 5V ma V DD e 15V V O e 1 5V ma I OH High Level Output Current V IH e V DD V IL e 0V (Note 4) V DD e5v V O e 4 6V b0 64 b0 51 b0 88 b0 36 ma V DD e10v V O e 9 5V b1 6 b1 3 b2 25 b0 9 ma V DD e15v V O e 13 5V b4 2 b3 4 b8 8 b2 4 ma I IN Input Curent V DD e 15V V IN e 0V b0 1 b10b5 b0 1 b1 0 ma V DD e 15V V IN e 15V b ma Note 1 Absolute Maximum Ratings are those values beyond which the safety of the device cannot be guaranteed They are not meant to imply that the devices should be operated at these limits The tables of Recommended Operating Conditions and Electrical Characteristics provide conditions for actual device operation Note 2 V SS e 0V unless otherwise specified Note 3 Being a latch the CD4042BM CD4042BC is not clock rise and fall time sensitive Note 4 I OH and I OL are tested one output at a time Units 2
3 DC Electrical Characteristics CD4042BC (Note 2) Symbol Parameter Conditions b40 C a25 C a85 C Min Max Min Typ Max Min Max I DD Quiescent Device Current V DD e 5V ma V DD e 10V ma V DD e 15V ma V OL Low Level Output Voltage li Ol k 1 ma V IH e V DD V IL e 0V V DD e 5V V V DD e 10V V V DD e 15V V V OH High Level Output Voltage li Ol k 1 ma V IH e V DD V IL e 0V V DD e 5V V V DD e 10V V V DD e 15V V V IL Low Level Input Voltage li Ol k 1 ma V DD e 5V V O e 0 5V or 4 5V V V DD e 10V V O e 1V or 9V V V DD e 15V V O e 1 5V or 13 5V V V IH High Level Input Voltage li Ol k 1 ma V DD e 5V V O e 0 5V or 4 5V V V DD e 10V V O e 1V or 9V V V DD e 15V V O e 1 5V or 13 5V V I OL Low Level Output Current V IH e V DD V IL e 0V (Note 4) V DD e 5V V O e 0 4V ma V DD e 10V V O e 0 5V ma V DD e 15V V O e 1 5V ma I OH High Level Output Current V IH e V DD V IL e 0V (Note 4) V DD e5v V O e 4 6V b0 52 b0 44 b0 88 b0 36 ma V DD e 10V V O e 9 5V b1 3 b1 1 b2 25 b0 9 ma V DD e15v V O e 13 5V b3 6 b3 0 b8 8 b2 4 ma I IN Input Curent V DD e 15V V IN e 0V b0 3 b10b5 b0 3 b1 0 ma V DD e 15V V IN e 15V b ma Note 1 Absolute Maximum Ratings are those values beyond which the safety of the device cannot be guaranteed They are not meant to imply that the devices should be operated at these limits The tables of Recommended Operating Conditions and Electrical Characteristics provide conditions for actual device operation Note 2 V SS e 0V unless otherwise specified Note 3 Being a latch the CD4042BM CD4042BC is not clock rise and fall time sensitive Note 4 I OH and I OL are tested one output at a time Units 3
4 AC Electrical Characteristics T A e 25 C C L e 50 pf R L e 200k Input t r e t f e 20 ns unless otherwise specified Symbol Parameter Conditions Min Typ Max Units t PHL t PLH Propagation Delay Time Data In to Q V DD e 5V ns V DD e 10V ns V DD e 15V ns t PHL t PLH Propagation Delay Time Data In to Q V DD e 5V ns V DD e 10V ns V DD e 15V ns t PHL t PLH Propagation Delay Time Clock to Q V DD e 5V ns V DD e 10V ns V DD e 15V ns t PHL t PLH Propagation Delay Time Clock to Q V DD e 5V ns V DD e 10V ns V DD e 15V ns t H Minimum Hold Time V DD e 5V ns V DD e 10V ns V DD e 15V ns t SU Minimum Setup Time V DD e 5V 0 50 ns V DD e 10V 0 30 ns V DD e 15V 0 25 ns t W Minimum Clock Pulse Width V DD e 5V ns V DD e 10V ns V DD e 15V ns t THL t TLH Transition Time V DD e 5V ns V DD e 10V ns V DD e 15V ns C IN Input Capacitance Any Input pf AC Parameters are guaranteed by DC correlated testing Note 1 Absolute Maximum Ratings are those values beyond which the safety of the device cannot be guaranteed They are not meant to imply that the devices should be operated at these limits The tables of Recommended Operating Conditions and Electrical Characteristics provide conditions for actual device operation Note 2 V SS e 0V unless otherwise specified Note 3 Being a latch the CD4042BM CD4042BC is not clock rise and fall time sensitive Note 4 I OH and I OL are tested one output at a time 4
5 Switching Time Waveforms TL F
6 CD4042BM CD4042BC Quad Clocked D Latch Physical Dimensions inches (millimeters) Ceramic Dual-In-Line Package (J) Order Number CD4042BMJ or CD4042BCJ NS Package Number J16A Molded Dual-In-Line Package (N) Order Number CD4042BMN or CD4042BCN NS Package Number N16E LIFE SUPPORT POLICY NATIONAL S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION As used herein 1 Life support devices or systems are devices or 2 A critical component is any component of a life systems which (a) are intended for surgical implant support device or system whose failure to perform can into the body or (b) support or sustain life and whose be reasonably expected to cause the failure of the life failure to perform when properly used in accordance support device or system or to affect its safety or with instructions for use provided in the labeling can effectiveness be reasonably expected to result in a significant injury to the user National Semiconductor National Semiconductor National Semiconductor National Semiconductor Corporation Europe Hong Kong Ltd Japan Ltd 1111 West Bardin Road Fax (a49) th Floor Straight Block Tel Arlington TX cnjwge tevm2 nsc com Ocean Centre 5 Canton Rd Fax Tel 1(800) Deutsch Tel (a49) Tsimshatsui Kowloon Fax 1(800) English Tel (a49) Hong Kong Fran ais Tel (a49) Tel (852) Italiano Tel (a49) Fax (852) National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications
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