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參數(shù)資料
| 型號： | 933784350118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | F/FAST SERIES, OCTAL 1-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | 7.50 MM, PLASTIC, MS-013AC, SOT-163-1, SO-20 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 78K |
| 代理商： | 933784350118 |
Philips Semiconductors
Product specification
74F641
Octal bus transceiver with common output enable,
non-inverting (open-collector)
2000 Jun 30
5
AC ELECTRICAL CHARACTERISTICS – 74F641
LIMITS
SYMBOL
PARAMETER
TEST
CONDITION
VCC = +5V
Tamb = +25°C
CL = 50pF, RL = 500
VCC = +5V ± 10%
Tamb = 0°C to +70°C
CL = 50pF, RL = 500
UNIT
MIN
TYP
MAX
MIN
MAX
tPLH
tPHL
Propagation delay
An to Bn
Waveform 1
6.5
4.0
8.5
6.0
11.5
9.5
6.5
4.0
12.5
11.0
ns
tPLH
tPHL
Propagation delay
Bn to An
Waveform 1
6.0
3.5
8.0
5.5
11.5
7.5
6.0
3.5
12.0
8.0
ns
tPLH
tPHL
Propagation delay
OE to An
Waveform 2
7.0
5.0
10.5
7.0
12.5
9.0
7.0
5.0
13.0
10.0
ns
tPLH
tPHL
Propagation delay
OE to Bn
Waveform 2
8.0
3.5
9.0
7.5
12.5
9.5
8.0
5.5
13.5
10.5
ns
AC WAVEFORMS
For all waveforms, VM = 1.5V.
VM
Bn or An
An or Bn
tPLH
tPHL
SF01132
Waveform 1. Propagation Delay for An to Bn or Bn to An
VM
An or Bn
OE
tPLH
tPHL
SF01151
Waveform 2. Propagation Delay for OE to An or Bn Outputs
(Bn or An Inputs in Low State)
TEST CIRCUIT AND WAVEFORMS
tw
90%
VM
10%
90%
VM
10%
90%
VM
10%
90%
VM
10%
NEGATIVE
PULSE
POSITIVE
PULSE
tw
AMP (V)
0V
tTHL (tf )
INPUT PULSE REQUIREMENTS
rep. rate
tw
tTLH
tTHL
1MHz
500ns
2.5ns
Input Pulse Definition
VCC
family
74F
D.U.T.
PULSE
GENERATOR
RL
CL
RT
VIN
VOUT
Test Circuit for 3-State Outputs
DEFINITIONS:
RL = Load resistor;
see AC electrical characteristics for value.
CL = Load capacitance includes jig and probe capacitance;
see AC electrical characteristics for value.
RT = Termination resistance should be equal to ZOUT of
pulse generators.
tTHL (tf )
tTLH (tr )
AMP (V)
amplitude
3.0V
1.5V
VM
RL
7.0V
SF00777
TEST
SWITCH
tPLZ
closed
tPZL
closed
All other
open
SWITCH POSITION
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