CD74HCT541

ACTIVE

Texas Instruments CD74HCT541 Product Info

1 April 2026 1

Technology family	HCT
Supply voltage (min) (V)	4.5
Supply voltage (max) (V)	5.5
Number of channels	8
IOL (max) (mA)	6
Supply current (max) (µA)	160
IOH (max) (mA)	-6
Input type	TTL-Compatible CMOS
Output type	3-State
Features	Balanced outputs, High speed (tpd 10-50ns), Input clamp diode
Rating	Catalog
Operating temperature range (°C)	-55 to 125

PDIP (N)-20-228.702 mm² 24.33 x 9.4

’HC540, CD74HCT540: inverting
’HC541, ’HCT541: non-inverting
Buffered inputs
Three-state outputs
Bus line driving capability
Typical propagation delay = 9 ns at V_CC = 5 V, C_L = 15 pF, T_A = 25℃
Fanout (over temperature range)
- Standard outputs: 10 LSTTL loads
- Bus driver outputs: 15 LSTTL loads
Wide operating temperature range: –55℃ to 125℃
Balanced propagation delay and transition times
Significant power reduction compared to LSTTL Logic ICs
HC types
- 2 V to 6 V operation
- High noise immunity: N_IL = 30%, N_IH = 30% of V_CC at V_CC = 5 V
HCT types
- 4.5 V to 5.5 V operation
- Direct LSTTL input logic compatibility, V_IL = 0.8 V (max), V_IH = 2 V (min)
- CMOS input compatibility, I_I ≤ 1 µA at V_OL, V_OH

’HC540, CD74HCT540: inverting
’HC541, ’HCT541: non-inverting
Buffered inputs
Three-state outputs
Bus line driving capability
Typical propagation delay = 9 ns at V_CC = 5 V, C_L = 15 pF, T_A = 25℃
Fanout (over temperature range)
- Standard outputs: 10 LSTTL loads
- Bus driver outputs: 15 LSTTL loads
Wide operating temperature range: –55℃ to 125℃
Balanced propagation delay and transition times
Significant power reduction compared to LSTTL Logic ICs
HC types
- 2 V to 6 V operation
- High noise immunity: N_IL = 30%, N_IH = 30% of V_CC at V_CC = 5 V
HCT types
- 4.5 V to 5.5 V operation
- Direct LSTTL input logic compatibility, V_IL = 0.8 V (max), V_IH = 2 V (min)
- CMOS input compatibility, I_I ≤ 1 µA at V_OL, V_OH

CD74HCT541:8-ch, 4.5-V to 5.5-V buffers with TTL-compatible CMOS inputs and 3-state outputs.Package:PDIP (N)-20-228.702 mm² 24.33 x 9.4

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