SN54HC05, SN74HC05
HEX INVERTERS
WITH OPEN-DRAIN OUTPUTS
SCLS080B – MARCH 1984 – REVISED MAY 1997
switching characteristics over recommended operating free-air temperature range, C = 50 pF
L
(unless otherwise noted) (see Figure 1)
T
A
= 25°C
TYP
60
13
10
45
9
SN54HC05
MIN MAX
SN74HC05
MIN MAX
FROM
(INPUT)
TO
(OUTPUT)
PARAMETER
V
UNIT
CC
MIN
MAX
115
23
2 V
4.5 V
6 V
175
35
145
29
t
t
t
A
A
Y
Y
Y
ns
PLH
PHL
f
20
30
25
2 V
85
130
26
105
21
4.5 V
6 V
17
ns
ns
8
14
22
18
2 V
38
8
75
110
22
95
4.5 V
6 V
15
19
6
13
19
16
operating characteristics, T = 25°C
A
PARAMETER
Power dissipation capacitance per inverter
TEST CONDITIONS
TYP
UNIT
C
No load
20
pF
pd
PARAMETER MEASUREMENT INFORMATION
V
CC
R
= 1 kΩ
L
V
CC
Test
Point
From Output
Under Test
Input
50%
50%
0 V
C
= 50 pF
L
t
t
PLH
PHL
90%
(see Note A)
V
V
OH
In-Phase
Output
50%
10%
10%
LOAD CIRCUIT
OL
t
f
t
PHL
90%
V
t
CC
PLH
10%
90%
t
90%
V
V
OH
Input
50%
10%
50%
10%
Out-of-Phase
Output
50%
10%
0 V
OL
t
r
f
t
f
VOLTAGE WAVEFORM
INPUT RISE AND FALL TIMES
VOLTAGE WAVEFORMS
PROPAGATION DELAY AND OUTPUT TRANSITION TIMES
NOTES: A.
B. Phase relationships between waveforms were chosen arbitrarily. All input pulses are supplied by generators having the following
characteristics: PRR ≤ 1 MHz, Z = 50 Ω, t = 6 ns, t = 6 ns.
C includes probe and test-fixture capacitance.
L
O
r
f
C. The outputs are measured one at a time with one input transition per measurement.
Figure 1. Load Circuit and Voltage Waveforms
3
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