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PDF 74HCT640 Data sheet ( Hoja de datos )
| Número de pieza | 74HCT640 | |
| Descripción | Octal bus transceiver; 3-state; inverting | |
| Fabricantes | Philips | |
| Logotipo |  |
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INTEGRATED CIRCUITS
DATA SHEET
For a complete data sheet, please also download:
• The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications
• The IC06 74HC/HCT/HCU/HCMOS Logic Package Information
• The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines
74HC/HCT640
Octal bus transceiver; 3-state;
inverting
Product specification
File under Integrated Circuits, IC06
March 1988
1 page  
Philips Semiconductors
Octal bus transceiver; 3-state; inverting
Product specification
74HC/HCT640
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: bus driver
ICC category: MSI
Note to HCT types
The value of additional quiescent supply current (∆ICC) for a unit load of 1 is given in the family specifications.
To determine ∆ICC per input, multiply this value by the unit load coefficient shown in the table below.
INPUT
An
Bn
OE
DIR
UNIT LOAD COEFFICIENT
1.50
1.50
1.50
0.90
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
SYMBOL
PARAMETER
74HCT
+25
−40 to +85
−40 to +125
UNIT
VCC
(V)
WAVEFORMS
min. typ. max. min. max. min. max.
tPHL/ tPLH
propagation delay
An to Bn;
Bn to An
11 22 28 33 ns 4.5 Fig.5
tPZH/ tPZL 3-state output enable time
18 30
38
45 ns 4.5 Fig.6
OE, DIR to An;
OE, DIR to Bn
tPHZ/ tPLZ 3-state output disable time
19 30
38
45 ns 4.5 Fig.6
OE, DIR to An;
OE, DIR to Bn
tTHL/ tTLH output transition time
5 12 15 18 ns 4.5 Fig.5
March 1988
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet 74HCT640.PDF ] | |
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