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PDF 74F545 Data sheet ( Hoja de datos )
| Número de pieza | 74F545 | |
| Descripción | Octal bidirectional transceiver with 3-State inputs/outputs | |
| Fabricantes | Philips | |
| Logotipo |  |
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INTEGRATED CIRCUITS
74F545
Octal bidirectional transceiver (with
3-State inputs/outputs)
Product specification
IC15 Data Handbook
1990 Mar 01
Philips
Semiconductors
1 page  
Philips Semiconductors
Octal bidirectional transceiver (with 3-State inputs/outputs)
Product specification
74F545
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
SYMBOL
PARAMETER
TEST CONDITIONS1
LIMITS
MIN TYP2 MAX
UNIT
VOH
High-level output voltage
A0–A7
B0–B7
B0–B7
VCC = MIN,
VIL = MAX,
VIH = MIN
IOH = –3mA
IOH = –15mA
±10%VCC
±5%VCC
±10%VCC
±5%VCC
2.4
2.7
2.0
2.0
3.3
V
V
V
V
VOL
Low-level output voltage
A0–A7
B0–B7
VCC = MIN,
VIL = MAX,
VIH = MIN
IOL = 24mA
IOL = MAX
±10%VCC
±5%VCC
±10%VCC
±5%VCC
0.35 0.50
0.35 0.50
0.55
0.42 0.55
V
V
V
V
VIK Input clamp voltage
VCC = MIN, II = IIK
–0.73 –1.2
V
OE, T/R
II
Input current at
maximum input voltage
A0–A7,
B0–B7
VCC = 0.0V, VI = 7.0V
VCC = 5.5V, VI = 5.5V
100 µA
1.0 mA
IIH
IIL
IOZH+IIH
High-level input current
Low-level input current
Off-state output current
High-level voltage applied
OE, T/R
only
VCC = MAX, VI = 2.7V
VCC = MAX, VI = 0.5V
VCC = MAX, VI = 2.7V
40 µA
–40 µA
70 µA
IOZL+IIL
Off-state output current
Low-level voltage applied
VCC = MAX, VI = 0.5V
–70 µA
IOS
Short-circuit output
current3
A0–A7
B0–B7
VCC = MAX
–60
–100
–150
–225
mA
µA
ICCH
T/R=An=4.5V, OE=GND
ICC
Supply current (total)4
ICCL VCC = MAX OE=T/R =Bn=GND
84 100
96 120
mA
mA
ICCZ
T/R=Bn=GND, OE=4.5V
96 120
mA
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value under the recommended operating conditions for the applicable type.
2. All typical values are at VCC = 5V, Tamb = 25°C.
3. Not more than one output should be shorted at a time. For testing IOS, the use of high-speed test apparatus and/or sample-and-hold
techniques are preferable in order to minimize internal heating and more accurately reflect operational values. Otherwise, prolonged shorting
of a High output may raise the chip temperature well above normal and thereby cause invalid readings in other parameter tests. In any
sequence of parameter tests, IOS should be performed last.
4. Measure ICC with outputs open.
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation delay
An to Bn, Bn to An
Output Enable time
to High or Low level
Output Disable time
from High or Low level
TEST
CONDITIONS
Waveform 1
Waveform 2
Waveform 3
Waveform 2
Waveform 3
LIMITS
Tamb = +25°C
VCC = +5.0V
CL = 50pF, RL = 500Ω
MIN TYP MAX
Tamb = 0°C to +70°C
VCC = +5.0V ± 10%
CL = 50pF, RL = 500Ω
MIN MAX
1.5 3.5 5.5
2.5 4.5 6.5
1.5
2.5
6.5
7.0
6.0 8.5 10.5
5.5 8.0 9.5
6.0
5.5
11.0
10.0
2.5 5.0 7.0
2.0 4.5 6.5
2.5
2.0
8.0
7.5
UNIT
ns
ns
ns
ns
ns
ns
1990 Mar 01
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet 74F545.PDF ] | |
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