HEF40374BP ,Octal D-type flip-flop with 3-state outputsINTEGRATED CIRCUITSDATA SHEETFor a complete data sheet, please also download:• The IC04 LOCMOS HE40 ..
HEF40374BT ,Octal D-type flip-flop with 3-state outputsfeatures hysteresis on the CP input to improvebuffered outputs with a common clock input (CP). Then ..
HEF4040 ,12-stage binary counterGeneral descriptionThe HEF4040B is a 12-stage binary ripple counter with a clock input (CP), an ove ..
HEF4040BD ,12-stage binary counterGeneral descriptionThe HEF4040B is a 12-stage binary ripple counter with a clock input (CP), an ove ..
HEF4040BP ,12-stage binary ripple counterLogic diagram 1 2 4 8 16 32 64 128 256 512 1024 2048 4096CP inputMR inputQ0Q1Q2Q3Q4Q5Q6Q7Q8Q9Q10Q11 ..
HEF4040BT ,12-stage binary ripple counterLogic diagram 1 2 4 8 16 32 64 128 256 512 1024 2048 4096CP inputMR inputQ0Q1Q2Q3Q4Q5Q6Q7Q8Q9Q10Q11 ..
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HEF40374BD-HEF40374BP-HEF40374BT
Octal D-type flip-flop with 3-state outputs
Philips Semiconductors Product specification
Octal D-type flip-flop with 3-state outputs HEF40374B
MSI
DESCRIPTIONThe HEF40374B is an octal D-type flip-flop with 3-state
buffered outputs with a common clock input (CP). The
device is used primarily as an 8-bit positive edge-triggered
storage register for interfacing with a 3-state bus. Data on
the D-inputs is transferred to storage during the
LOW-to-HIGH transition of the clock (CP) input. The
3-state output buffers are controlled by an active LOW
output enable input (EO). A HIGH on EO forces the eight
outputs to a high impedance OFF-state. When EOis
LOW, the data in the register appears at the outputs.
The output stages have high current output capability
suitable for driving highly capacitive loads.
The device features hysteresis on the CP input to improve
noise rejection.
Schmitt-trigger action in the E input makes the circuit
highly tolerant to slower input rise and fall times.
The HEF40374B is pin and functionally compatible with
the TTL ‘374’ device.
Supply voltage range: 3 to 15 V.
HEF40374BP(N): 20-lead DIL; plastic (SOT146-1)
HEF40374BD(F): 20-lead DIL; ceramic (cerdip)
(SOT152)
HEF40374BT(D): 20-lead SO; plastic (SOT163-1) ): Package Designator North America
PINNING
FAMILY DATA, IDD LIMITS category MSISee Family Specifications to D7 data inputs clock input output enable input (active LOW) to O7 3-state buffered outputs
Philips Semiconductors Product specification
Octal D-type flip-flop with 3-state outputs HEF40374B
MSI
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Philips Semiconductors Product specification
Octal D-type flip-flop with 3-state outputs HEF40374B
MSI
FUNCTION TABLE
Notes H= HIGH state (the more positive voltage)= HIGH state (one set-up time prior to the LOW-to-HIGH clock transition)= LOW state (the less positive voltage)= LOW state (one set-up time prior to the LOW-to-HIGH clock transition)= high impedance OFF-state LOW-to-HIGH clock transition
Philips Semiconductors Product specification
Octal D-type flip-flop with 3-state outputs HEF40374B
MSI
RATINGSLimiting values in accordance with the Absolute Maximum System (IEC 134)
See Family Specifications, except for:
DC CHARACTERISTICSVSS =0 V
D.C. current into any input ±II max. 10 mA
D.C. source or sink current into any output ±IO max. 25 mA
D.C. current into the supply terminals ±I max. 100 mA
Philips Semiconductors Product specification
Octal D-type flip-flop with 3-state outputs HEF40374B
MSI
AC CHARACTERISTICSVSS= 0 V; Tamb =25 °C; CL= 50 pF; input transition times≤ 20 ns
