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PDF N74F657DB Data sheet ( Hoja de datos )
| Número de pieza | N74F657DB | |
| Descripción | Octal transceiver with 8-bit parit generator/checker | |
| Fabricantes | Philips | |
| Logotipo |  |
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INTEGRATED CIRCUITS
74F657
Octal transceiver with 8-bit parit
generator/checker
Process specification
IC15 Data Handbook
1990 Jul 30
Philips
Semiconductors
1 page  
Philips Semiconductors
Octal transceiver with 8-bit parity generator/checker
Product specification
74F657
FUNCTION TABLE
NUMBER OF INPUTS THAT ARE HIGH
0, 2, 4, 6, 8
1, 3, 5, 7
Don’t care
Notes to function table
1. H = High voltage level
2. L = Low voltage level
3. X = Don’t care
4. Z = High impedance ”’off” state
INPUTS
OE T/R ODD/EVEN
LH
LH
LL
LL
LL
LL
H
L
H
H
L
L
LH
LH
LL
LL
LL
LL
H
L
H
H
L
L
HX
X
INPUT/OUTPUT
PARITY
H
L
H
L
H
L
L
H
H
L
H
L
Z
ERROR
Z
Z
H
L
L
H
Z
Z
L
H
H
L
Z
OUTPUTS
OUTPUTS MODE
Transmit
Transmit
Receive
Receive
Receive
Receive
Transmit
Transmit
Receive
Receive
Receive
Receive
Z
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limit set forth in this table may impair the useful life of the device. Unless otherwise noted these limits are over the
operating free air temperature range.)
SYMBOL
PARAMETER
RATING
UNIT
VCC
VIN
IIN
VOUT
Supply voltage
Input voltage
Input current
Voltage applied to output in high output state
–0.5 to +7.0
–0.5 to +7.0
–30 to +5
–0.5 to VCC
V
V
mA
V
IOUT
Current applied to output in low output state
A0 – A7
48 mA
B0 – B7, PARITY, ERROR
128
mA
Tamb
Tstg
Operating free air temperature range
Storage temperature range
Commercial range
Industrial range
0 to +70
–40 to +85
–65 to +150
°C
°C
°C
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
VCC Supply voltage
VIH High–level input voltage
VIL Low–level input voltage
IIk Input clamp current
IOH High–level output current
IOL Low–level output current
Tamb
Operating free air temperature range
LIMITS
UNIT
MIN NOM MAX
4.5 5.0 5.5 V
2.0 V
0.8 V
–18 mA
A0 – A7
–3 mA
B0 – B7, PARITY, ERROR
–15 mA
A0 – A7
24 mA
B0 – B7, PARITY, ERROR
64 mA
Commercial range
0
+70 °C
Industrial range
–40
+85 °C
90 July 30
5
5 Page 
Philips Semiconductors
Octal transceiver with 8-bit parity generator/checker
SSOP24: plastic shrink small outline package; 24 leads; body width 5.3 mm
Product specification
74F657
SOT340-1
1990 Jul 30
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet N74F657DB.PDF ] | |
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