CD54ACT20 Datasheet, PDF (3/13 Pages) Texas Instruments – DUAL 4-INPUT POSITIVE-NAND GATES

CD54ACT20, CD74ACT20
DUAL 4-INPUT POSITIVE-NAND GATES
SCHS320 – NOVEMBER 2002
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
VOH
VI = VIH or VIL
IOH = –50 µA
IOH = –24 mA
IOH = –50 mA^†
IOH = –75 mA^†
IOL = 50 µA
4.5 V
4.5 V
5.5 V
5.5 V
4.5 V
4.4
4.4
4.4
3.94
3.7
3.8
V
3.85
3.85
0.1
0.1
0.1
VOL
II
ICC
VI = VIH or VIL
VI = VCC or GND
VI = VCC or GND,
IOL = 24 mA
IOL = 50 mA^†
IOL = 75 mA^†
IO = 0
4.5 V
5.5 V
5.5 V
5.5 V
5.5 V
0.36
0.5
0.44
V
1.65
1.65
±0.1
±1
±1 µA
4
80
40 µA
DICC^‡
VI = VCC – 2.1 V
4.5 V to 5.5 V
2.4
3
2.8 mA
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.
‡ _{Additional quiescent supply current per input pin, TTL inputs high, 1 unit load}
ACT INPUT LOAD TABLE
INPUT
UNIT LOAD
All
0.27
Unit Load is ∆ICC limit specified in
electrical characteristics table
(e.g., 2.4 mA at 25°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
tPHL
A, B, C, or D
3.4 13.5 3.5 12.3
Y
ns
3.4 13.5 3.5 12.3
operating characteristics, T_A = 25°C
PARAMETER
Cpd Power dissipation capacitance
TYP UNIT
48 pF
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