HD74HCT243 outputs) equivalent, quad. bus transceivers (with 3-state outputs).
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* LSTTL Output Logic Level Compatibility as well as CMOS Output Compatibility High Speed Operation: tpd (A to Y) = 9.5 ns typ (C L = 50 .
The HD74HCT242 is an inverting buffer and the HD74HCT243 is a noninverting buffer. Each device has one active high enable (GBA), and one active low enable (GAB). GBA enables the A outputs and GAB enables the B outputs. The device does not have schmit.
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