CD74AC14_14 Datasheet, PDF (3/12 Pages) Texas Instruments – Hex Schmitt-trigger inverter

CD74AC14
HEX SCHMITTĆTRIGGER INVERTER
SCHS228B − SEPTEMBER 1998 − REVISED MARCH 2004
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
MIN MAX
−55°C to
125°C
MIN MAX
−40°C to
85°C
MIN MAX
UNIT
VT+
Positive-going
threshold
5V
2.6 3.4 2.6 3.4 2.6 3.4 V
VT−
Negative-going
threshold
5V
1.6 2.4 1.6 2.4 1.6 2.4 V
∆VT
Hysteresis
(VT+ − VT−)
5V
0.5
0.5
0.5
V
1.5 V
1.4
1.4
1.4
IOH = −50 µA
3V
2.9
2.9
2.9
4.5 V
4.4
4.4
4.4
VOH
VI = VT+
IOH = −4 mA
IOH = −24 mA
IOH = −50 mA†
IOH = −75 mA†
3V
4.5 V
5.5 V
5.5 V
1.5 V
2.58
2.4
2.48
V
3.94
3.7
3.8
3.85
3.85
0.1
0.1
0.1
IOL = 50 µA
3V
4.5 V
0.1
0.1
0.1
0.1
0.1
0.1
VOL
VI = VT−
IOL = 12 mA
3V
0.36
0.5
0.44 V
IOL = 24 mA
IOL = 50 mA†
IOL = 75 mA†
4.5 V
5.5 V
5.5 V
0.36
0.5
0.44
1.65
1.65
II
VI = VCC or GND
5.5 V
±0.1
±1
±1 µA
ICC
VI = VCC or GND,
IO = 0
5.5 V
4
80
40 µA
Ci
10
10
10 pF
† _{Test one output at a time, not exceeding 1-second duration. Measurement is made by forcing indicated current and measuring voltage to minimize}
power dissipation. Test verifies a minimum 50-Ω transmission-line drive capability at 85°C and 75-Ω transmission-line drive capability at 125°C.
switching characteristics over recommended operating free-air temperature range,
V_CC = 5 V ± 0.5 V, C_L = 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
−55°C TO
125°C
MIN MAX
−40°C TO
85°C
MIN MAX
UNIT
tPLH
A
tPHL
2.6 10.5 2.7 9.5
Y
ns
2.6 10.5 2.7 9.5
operating characteristics, V_CC = 5 V, T_A = 25°C
PARAMETER
Cpd
Power dissipation capacitance
TYP UNIT
45 pF
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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