74HCT00BQ 查看數據表（PDF） - Philips Electronics
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74HCT00BQ Datasheet PDF : 17 Pages
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Philips Semiconductors
Quad 2-input NAND gate
Product specification
74HC00; 74HCT00
AC CHARACTERISTICS
Type 74HC00
GND = 0 V; tr = tf = 6 ns; CL = 50 pF.
SYMBOL
PARAMETER
Tamb = −40 to +85 °C; note 1
tPHL/tPLH propagation delay nA, nB to nY
tTHL/tTLH output transition time
Tamb = −40 to +125 °C
tPHL/tPLH propagation delay nA, nB to nY
tTHL/tTLH output transition time
TEST CONDITIONS
MIN.
WAVEFORMS
VCC (V)
TYP.
MAX. UNIT
see Fig.6
see Fig.6
see Fig.6
2.0
−
25
115 ns
4.5
−
9
23
ns
6.0
−
7
20
ns
2.0
−
19
95
ns
4.5
−
7
19
ns
6.0
−
6
16
ns
see Fig.6
see Fig.6
see Fig.6
2.0
−
−
135 ns
4.5
−
−
27
ns
6.0
−
−
23
ns
2.0
−
−
110 ns
4.5
−
−
22
ns
6.0
−
−
19
ns
Note
1. All typical values are measured at Tamb = 25 °C.
Type 74HCT00
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
SYMBOL
PARAMETER
Tamb = −40 to +85 °C; note 1
tPHL/tPLH
tTHL/tTLH
propagation delay nA, nB to nY
output transition time
Tamb = −40 to +125 °C
tPHL/tPLH
tTHL/tTLH
propagation delay nA, nB to nY
output transition time
TEST CONDITIONS
MIN.
WAVEFORMS
VCC (V)
TYP
MAX. UNIT
see Fig.6
4.5
−
4.5
−
12
24
ns
−
29
ns
see Fig.6
4.5
−
−
29
ns
4.5
−
−
22
ns
Note
1. All typical values are measured at Tamb = 25 °C.
2003 Jun 30
9
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