參數(shù)資料
型號: 933778010602
廠商: NXP SEMICONDUCTORS
元件分類: 算術(shù)邏輯單元
英文描述: F/FAST SERIES, 4-BIT MAGNITUDE COMPARATOR, TRUE OUTPUT, PDSO16
封裝: 7.50 MM, PLASTIC, MS-013AA, SOT-162-1, SO-16
文件頁數(shù): 7/10頁
文件大?。?/td> 86K
代理商: 933778010602
Philips Semiconductors
Product specification
74F85
4-bit magnitude comparator
September 27, 1994
6
AC ELECTRICAL CHARACTERISTICS
LIMITS
TEST
VCC = +5.0V
VCC = +5.0V ± 10%
SYMBOL
PARAMETER
TEST
CONDITION
Tamb = +25°C
Tamb = 0°C to +70°C
UNIT
CONDITION
CL = 50pF, RL = 500
MIN
TYP
MAX
MIN
MAX
tPLH
tPHL
Propagation delay
A or B to A<B, A>B
Waveform 1
3 logic levels
6.0
7.0
8.5
9.5
11.0
14.0
5.5
6.5
13.0
15.5
ns
tPLH
tPHL
Propagation delay
A or B to A=B
Waveform 1
4 logic levels
6.5
7.0
9.0
9.5
11.5
14.0
6.0
6.5
14.0
14.5
ns
tPLH
tPHL
Propagation delay
IA<B and IA=B to A>B
Waveform 1
1 logic level
3.0
5.0
6.0
7.5
9.0
2.5
9.0
10.0
ns
tPLH
tPHL
Propagation delay
IA=B to A=B
Waveform 1
2 logic levels
2.5
3.5
4.5
7.5
7.0
10.0
2.0
2.5
9.0
12.0
ns
tPLH
tPHL
Propagation delay
IA>B and IA=B to A<B
Waveform 1
1 logic level
3.0
5.0
6.0
8.0
9.0
3.0
2.0
9.5
ns
AC WAVEFORMS
VM
VOUT
VIN
tPHL
tPLH
SF00080
Waveform 1.
Propagation Delay Input to Output
NOTE:
For all waveforms, VM = 1.5V.
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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