Philips 74HCT7540
The 74HC/HCT7540 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. The 3-state outputs are controlled by the output enable inputs OE1 and OE2.| Part No. | 74HCT7540 |
|---|---|
| Datasheet | 74HCT7540 Download |
| Manufacturer |  Philips |
| Description | Octal Schmitt trigger buffer/line driver |
| Buy | Stock & Price |
FEATURES
● Inverting outputs● Schmitt trigger action on all data inputs
● Output capability: bus driver
● ICC category: MSI
GENERAL DESCRIPTION
7A. QUICK REFERENCE DATA GND = 0 V; Tamb = 25 °C; tr = tf = 6 ns 74HC/HCT7540 The 74HC/HCT7540 are octal Schmitt trigger inverting buffer/line drivers with 3-state outputs. A HIGH on OEn causes the outputs to assume a high impedance OFF-state. The Schmitt trigger action in the data inputs transforms slowly changing input signals into sharply defined jitter-free output signals. The “7540” is identical to the “540” but has hysteresis on the data inputs. TYPICAL SYMBOL PARAMETER tPHL/ tPLH CI CPD Notes 1. CPD is used to determine the dynamic power dissipation (PD in µW): PD = CPD × VCC2 × fi + ∑ (CL × VCC2 × fo) where: fi = input frequency in MHz fo = output frequency in MHz ∑ (CL × VCC2 × fo) = sum of outputs CL = output load capacitance in pF VCC = supply voltage in V 2. For HC the condition is VI = GND to VCC For HCT the condition is VI = GND...
