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參數(shù)資料
| 型號： | 933739580623 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 算術邏輯單元 |
| 英文描述： | F/FAST SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED 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> | 89K |
| 代理商： | 933739580623 |
Philips Semiconductors
Product specification
74F521
8-bit identity comparator
May 15, 1990
5
AC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST
CONDITION
VCC = +5.0V
Tamb = +25°C
CL = 50pF, RL = 500
VCC = +5.0V ± 10%
Tamb = 0°C to +70°C
CL = 50pF, RL = 500
UNIT
MIN
TYP
MAX
MIN
MAX
tPLH
tPHL
Propagation delay
An or Bn to QA=B
Waveform 1, 2
3.5
3.0
8.0
9.5
9.0
3.5
2.5
11.0
10.5
ns
tPLH
tPHL
Propagation delay
IA=B to QA=B
Waveform 2
3.0
3.5
5.0
6.5
7.0
3.0
3.5
7.5
8.0
ns
AC WAVEFORMS
For all waveforms, VM = 1.5V.
VM
QA=B
An, Bn
tPHL
tPLH
SF00278
Waveform 1.
For Inverting Outputs
VM
QA=B
An, Bn
tPLH
tPHL
SF00279
IA=B
Waveform 2.
For Non-Inverting Outputs
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 Totem-Pole 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
SF00006
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