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74HCT7540

nexperia
Part Number 74HCT7540
Manufacturer nexperia
Description Octal Schmitt trigger buffer/line driver
Published Jul 25, 2019
Detailed Description 74HC7540; 74HCT7540 Octal Schmitt trigger buffer/line driver; 3-state; inverting Rev. 6 — 4 August 2021 Product data ...
Datasheet PDF File 74HCT7540 PDF File

74HCT7540
74HCT7540

Overview
74HC7540; 74HCT7540 Octal Schmitt trigger buffer/line driver; 3-state; inverting Rev.
6 — 4 August 2021 Product data sheet 1.
General description The 74HC7540; 74HCT7540 is an 8-bit inverting buffer/line driver with Schmitt-trigger inputs and 3-state outputs.
The device features two output enables (OE1 and OE2).
A HIGH on OEn causes the outputs to assume a high-impedance OFF-state.
Inputs include clamp diodes.
This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.
Schmitt trigger inputs transform slowly changing input signals into sharply defined jitter-free output signals.
2.
Features and benefits • Wide supply voltage range from 2.
0 to 6.
0 V • CMOS low power dissipation • High noise immunity • Unlimited input rise and fall times • Latch-up performance exceeds 100 mA per JESD 78 Class II Level B • Inverting outputs • Input levels: • For 74HC7540: CMOS level • For 74HCT7540: TTL level • Complies with JEDEC standards • JESD8C (2.
7 V to 3.
6 V) • JESD7A (2.
0 V to 6.
0 V) • ESD protection: • HBM JESD22-A114F exceeds 2000 V • MM JESD22-A115-A exceeds 200 V • Multiple package options • Specified from -40 °C to +85 °C and from -40 °C to +125 °C 3.
Ordering information Table 1.
Ordering information Type number Package Temperature range 74HC7540D -40 °C to +125 °C 74HCT7540D 74HC7540DB -40 °C to +125 °C Name SO20 SSOP20 74HC7540PW -40 °C to +125 °C TSSOP20 Description plastic small outline package; 20 leads; body width 7.
5 mm plastic shrink small outline package; 20 leads; body width 5.
3 mm plastic thin shrink small outline package; 20 leads; body width 4.
4 mm Version SOT163-1 SOT339-1 SOT360-1 Nexperia 4.
Functional diagram 2 A0 3 A1 4 A2 5 A3 6 A4 7 A5 8 A6 9 A7 OE1 1 19 OE2 Fig.
1.
Logic symbol Y0 18 Y1 17 Y2 16 Y3 15 Y4 14 Y5 13 Y6 12 Y7 11 aaa-003597 5.
Pinning information 5.
1.
Pinning 74HC7540 74HCT7540 OE1 1 A0 2 A1 3 A2 4 A3 5 A4 6 A5 7 A6 8 A7 9 GND 10 20 VCC 19 OE2 18 Y0 17 Y1 16 ...


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