Datasheet Texas Instruments SN74S240NE4 — 数据表

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Software SN54LS240, SN54LS241, SN54LS244, SN54S240, SN54S241, SN54S244
SN74LS240, SN74LS241, SN74LS244, SN74S240, SN74S241, SN74S244
SDLS144D – APRIL 1985 – REVISED OCTOBER 2016 SNx4LS24x, SNx4S24x Octal Buffers and Line Drivers With 3-State Outputs
1 Features 3 Description The SNx4LS24x, SNx4S24x octal buffers and line
drivers are designed specifically to improve both the
performance and density of three-state memory
address drivers, clock drivers, and bus-oriented
receivers and transmitters. The designer has a choice
of selected combinations of inverting and noninverting outputs, symmetrical, active-low outputcontrol (G) inputs, and complementary output-control
(G and G) inputs. These devices feature high fan-out,
improved fan-in, and 400-mV noise margin. The
SN74LS24x and SN74S24x devices can be used to
drive terminated lines down to 133 О©. 1 Inputs Tolerant Down to 2 V, Compatible With
3.3-V or 2.5-V Logic Inputs
Maximum tpd of 15 ns at 5 V
3-State Outputs Drive Bus Lines or Buffer Memory
Address Registers
PNP Inputs Reduce DC Loading …