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74F539 Datasheet, PDF (4/5 Pages) NXP Semiconductors – Dual 1-of-4 decoder 3-State
Philips Semiconductors
Dual 1-of-4 decoder (3-State)
Product specification
74F539
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
TEST CONDITIONS
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation delay
An to Qn
Propagation delay
En to Qn
Propagation delay
Pn to Qn
Propagation delay
Pn to Qn (INV)
Output Enable time
OEn to Qn
Output Disable time
OEn to Qn
Waveform 1
Waveform 2
Waveform 1
Waveform 2
Waveform 3
Waveform 4
Waveform 3
Waveform 4
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
4.5
8.5
12.5
4.0
13.5
3.0
8.0
12.5
3.0
13.0
5.0
7.5
11.0
4.5
12.0
3.0
7.0
11.0
3.0
11.5
4.0
6.5
9.5
3.5
10.5
3.5
5.5
9.0
3.0
9.5
6.0
11.5 14.5
5.0
15.5
4.0
6.0
9.0
4.0
9.5
2.5
4.0
7.5
2.0
8.5
5.5
7.0
10.5
5.0
11.5
1.5
3.0
6.0
1.0
6.5
2.0
4.0
8.0
1.5
8.5
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
AC WAVEFORMS
For all waveforms, VM = 1.5V.
An, Pn
Qn
VM
VM
tPLH
tPHL
VM
VM
En, Pn
Qn
VM
tPHL
VM
tPLH
VM
VM
Waveform 1. Propagation Delay for
Non-Inverting Outputs
SF01017
Waveform 2. Propagation Delay for
Inverting Outputs
SF01018
OEn
Qn
VM
tPZH
VM
VM
tPHZ
VOH -0.3V
0V
SF01019
Waveform 3. 3-State Output Enable Time to High Level
and Output Disable Time from High Level
OEn
VM
VM
tPZL
tPLZ
Qn
VM
VOL +0.3V
SF01020
Waveform 4. 3-State Output Enable Time to Low Level
and Output Disable Time from Low Level
1990 Feb 23
4