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HEF40374B

NXP
Part Number HEF40374B
Manufacturer NXP
Description Octal D-type flip-flop with 3-state outputs
Published Mar 23, 2005
Detailed Description INTEGRATED CIRCUITS DATA SHEET For a complete data sheet, please also download: • The IC04 LOCMOS HE4000B Logic Family ...
Datasheet PDF File HEF40374B PDF File

HEF40374B
HEF40374B

Overview
INTEGRATED CIRCUITS DATA SHEET For a complete data sheet, please also download: • The IC04 LOCMOS HE4000B Logic Family Specifications HEF, HEC • The IC04 LOCMOS HE4000B Logic Package Outlines/Information HEF, HEC HEF40374B MSI Octal D-type flip-flop with 3-state outputs Product specification File under Integrated Circuits, IC04 January 1995 Philips Semiconductors Product specification Octal D-type flip-flop with 3-state outputs DESCRIPTION The 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 EO is LOW, the data in the register appears at the outputs.
HEF40374B MSI 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.
Fig.
1 Functional diagram.
Fig.
2 Pinning diagram.
PINNING HEF40374BP(N): 20-lead DIL; plastic (SOT146-1) HEF40374BD(F): HEF40374BT(D): 20-lead DIL; ceramic (cerdip) (SOT152) 20-lead SO; plastic (SOT163-1) D0 to D7 CP EO O0 to O7 data inputs clock input output enable input (active LOW) 3-state buffered outputs ( ): Package Designator North America FAMILY DATA, IDD LIMITS category MSI See Family Specifications January 1995 2 This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.
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