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PDF 74AHC373PWDH Data sheet ( Hoja de datos )
| Número de pieza | 74AHC373PWDH | |
| Descripción | Octal D-type transparent latch; 3-state | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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INTEGRATED CIRCUITS
DATA SHEET
74AHC373; 74AHCT373
Octal D-type transparent latch;
3-state
Product specification
Supersedes data of 1998 Dec 11
File under Integrated Circuits, IC06
1999 Nov 23
1 page  
Philips Semiconductors
Octal D-type transparent latch; 3-state
Product specification
74AHC373; 74AHCT373
handbook, halfpage
3 D0
4 D1
7 D2
8 D3
13 D4
14 D5
17 D6
18 D7
11 LE
1 OE
LATCH
1 to 8
3-STATE
OUTPUTS
Q0 2
Q1 5
Q2 6
Q3 9
Q4 12
Q5 15
Q6 16
Q7 19
MNA184
handbook, halfpage
LE
D
LE
LE
LE
Q
MNA189
Fig.4 Functional diagram.
Fig.5 Logic diagram (one latch).
D0 D1 D2 D3 D4 D5 D6 D7
DQ
LATCH
1
LE LE
DQ
LATCH
2
LE LE
DQ
LATCH
3
LE LE
DQ
LATCH
4
LE LE
DQ
LATCH
5
LE LE
DQ
LATCH
6
LE LE
DQ
LATCH
7
LE LE
DQ
LATCH
8
LE LE
LE
OE
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
MNA199
1999 Nov 23
Fig.6 Logic diagram.
5
5 Page 
Philips Semiconductors
Octal D-type transparent latch; 3-state
Product specification
74AHC373; 74AHCT373
74AHCT373
Ground = 0 V; tr = tf ≤ 3.0 ns.
SYMBOL PARAMETER
TEST CONDITIONS
WAVEFORMS
CL
Tamb (°C)
25 −40 to +85 −40 to +125 UNIT
MIN. TYP. MAX. MIN. MAX. MIN. MAX.
VCC = 4.5 to 5.5 V; note 1
tPHL/tPLH
tPZH/tPZL
tPHZ/tPLZ
tPHL/tPLH
tPZH/tPZL
tPHZ/tPLZ
tW
propagation delay
Dn to Qn
propagation delay
LE to Qn
propagation delay
OE to Qn
propagation delay
OE to Qn
propagation delay
Dn to Qn
propagation delay
LE to Qn
propagation delay
OE to Qn
propagation delay
OE to Qn
clock pulse width
HIGH or LOW
see Figs 7 and 11
see Figs 8 and 11
see Figs 9 and 11
see Figs 7 and 11
see Figs 8 and 11
see Figs 9 and 11
see Figs 8 and 11
15 pF −
−
−
−
50 pF −
−
−
−
6.5
tsu set-up time see Figs 10 and 11
Dn to CP
th hold time
Dn to CP
3.5
1.5
4.0
4.3
4.0
4.4
5.2
5.5
5.2
6.5
−
−
−
8.5 1.0 9.5 1.0 11.0 ns
12.3 1.0 13.5 1.0 15.5 ns
10.9 1.0 12.5 1.0 14.0 ns
10.2 1.0 11.0 1.0 13.0 ns
9.5 1.0 10.5 1.0 12.0 ns
13.3 1.0 14.5 1.0 17.0 ns
11.9 1.0 13.5 1.0 15.0 ns
11.2 1.0 12.0 1.0 14.0 ns
− 6.5 − 6.5 − ns
− 3.5 − 3.5 − ns
− 1.5 − 1.5 − ns
Note
1. Typical values at VCC = 5.0 V.
1999 Nov 23
11
11 Page | ||
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