CD4043 4 3-State RS Latch Trigger ("1" Trigger) NSC/MOT/TI
CD4044 Quad Tristate RS Latch Trigger ("0" Trigger) NSC/MOT/TI
The CD4043/CD4044 are quad-coupled tri-state COS/MOS or non-latches with independent Q outputs and separate set S and reset R inputs. The Q output has a three-state function and is controlled by a common three-state control input EN. When EN is logic 1 or high level, the Q terminal outputs the state of the internal latch; when EN logic 0 or low level, the Q terminal is in a high impedance state. The tri-state function allows the CC4043 output to be directly connected to the system bus.
CD4043/CD4044 pin function table
EN allows output control terminal 1R-4R reset input terminal 1S-4S set input terminal 1Q-4Q data output terminal VDD positive power supply VSS ground
CD4043 pin function diagram
CD4044 pin diagram
CD4043 truth table: SREQXX 0 OC 0 0 1 NC 1 0 1 1 0 1 1 0 1 1 1 Δ
CD4044 truth table:
SREQXX 0 OC 1 1 1 NC 0 1 1 1 1 0 1 0 0 0 1 ΔΔ
Absolute Maximum Ratings Absolute Maximum Ratings:
Supply Voltage Supply Voltage (VDD) ?0.5V to +18V Input Voltage Input Voltage (VIN) ?0.5V to VDD +0.5V Storage Temperature Range Storage Temperature Range (TS) ?65°C to +150°C Power Dissipation Power Consumption (PD) Dual-In-Line Normal Double Row Package 700 mW Small Outline Small Outline Package 500 mW Lead Temperature Soldering Temperature (TL) Soldering, 10 seconds) (welding 10 seconds) 260 °C
Recommended Operating Conditions Recommended Operating Conditions:
Supply Voltage Supply Voltage (VDD) 3.0V to 15V Input Voltage Input Voltage (VIN) 0 to VDD V Operating Temperature Range Operating Temperature Range (TA) CD4043BC, CD4044BC ?55°C to +125°C
DC Electrical Characteristics DC Electrical Characteristics:
Symbol symbol
Parameter parameter
Conditions Conditions 55°C +25°C +125°C
Units unit
Minimum and minimum typical maximum and maximum maximum IDD Quiescent Device Current quiescent current VDD=5V, VIN=VDD or VSS 5 0.01 5 150 μA VDD = 10V, VIN = VDD or VSS 10 0.01 10 300 VDD = 15V, VIN = VDD or VSS 20 0.02 20 600 VOL LOW Level Output Voltage Output low level voltage |IO| ≤ 1μA, VIL = 0V, VIH = VDD VDD = 5.0V 0.05 0 0.05 0.05 V VDD = 10V 0.05 0 0.05 0.05 VDD = 15V 0.05 0 0.05 0.05 VOH HIGH Level Output Voltage Output High Level Voltage |IO| ≤ 1μA, VIL = 0V, VIH = VDD VDD = 5.0V 4.95 4.95 5.0 4.95 V VDD = 10V 9.95 9.95 10 9.95 VDD = 15V 14.95 14.95 15 14.95 VIL LOW Level Input Voltage Input low level voltage |IO| ≤ 1μA VDD = 5.0V, VO = 0.5V or 4.5V 1.5 2.25 1.5 1.5 V VDD = 10V, VO = 1.0V or 9.0V 3.0 4.5 3.0 3.0 VDD = 15V, VO = 1.5V Or 13.5V 4.0 6.75 4.0 4.0 VIH HIGH Level Input Voltage Input High Voltage |IO| ≤ 1μA VVDD = 5.0V, VO = 0.5V or 4.5V 3.5 3.5 2.75 3.5 VDD = 5.0V, VO = 1.0V or 9.0V 7.0 7.0 5.5 7.0 VDD = 15V, VO = 1.5V or 13.5V 11 11 8.25 11 IOL LOW Level Output Current Low output Flat current (Note 3) VIL = 0V, VIH = VDD VDD=5.0V, VO = 0.4V 0.64 0.51 1.0 0.36 mA VDD=10V, VO = 0.5V 1.6 1.3 2.6 0.9 VDD=15V, VO = 1.5V 4.2 3.4 6.8 2.4 IOH HIGH Level Output Current Output high level current (Note 3) VIL = 0V, VIH = VDD VDD=5.0V, VO = 4.6V ?0.64 ?0.51 ?0.4 ?0.36 mA VDD=10V, VO = 9.5V ?1.6 ?1.3 ?1.0 ?0.9 VDD=15V, VO = 13.5V ?4.2 ?3.4 ?3.0 ?2.4 IIN Input Current Input current VDD=15V, VIN = 0V ?0.1 ?10.5 ?0.1 ?1.0 μA VDD=15V, VIN = 15V 0.1 10.50.1 1.0
AC Electrical Characteristics AC Electrical Characteristics:
Symbol symbol
Parameter Parameter Conditions Minimum Typical Typical Units Units tPLH, tPHL Propagation Delay S or R to Q VDD = 5.0V 175 350 ns VDD = 10V 75 175 VDD = 15V 60 120 tPZH, tPHZ Propagation Delay Enable to Q (HIGH) Propagation Delay Enable To Q (High) VDD = 5.0V 115 230 ns VDD = 10V 55 110 VDD = 15V 40 80 tPZL, tPLZ Propagation Delay Enable to Q (LOW) Propagation Delay Enable to Q (Low) VDD = 5.0V 100 200 ns VDD = 10V 50 100 VDD = 15V 40 80 tTHL, tTLH Transition Time transition time VDD = 5.0V 100 200 ns VDD = 10V
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