N74F1604N Просмотр технического описания (PDF) - Philips Electronics
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N74F1604N Datasheet PDF : 10 Pages
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Philips Semiconductors
Latch
Product specification
74F1604
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
tPLH
Propagation delay
tPHL
SELECT A/B to Qn (non–inverting)
tPLH
Propagation delay
tPHL
SELECT A/B to Qn (inverting)
tPLH
Propagation delay
tPHL
LE to Qn
tPLH
Propagation delay
tPHL
An or Bn to Qn
TEST
CONDITION
Waveform 2
Waveform 1
Waveform 3
Waveform 1, 2
LIMITS
Tamb = +25°C
VCC = +5.0V
CL = 50pF, RL = 500Ω
Tamb = 0°C to +70°C
VCC = +5.0V ± 10%
CL = 50pF, R = 500Ω
MIN TYP MAX
MIN
MAX
3.0
5.5
8.5
2.5
9.0
3.5 6.5 10.0
3.0
11.5
4.0 7.0 10.5
3.5
12.0
2.5
4.5
7.5
2.0
8.0
6.5 9.5 13.0
5.5
15.0
6.0 9.0 12.5
5.0
14.0
4.0
6.5
9.5
3.5
10.5
4.0 7.0 10.5
3.5
12.5
UNIT
ns
ns
ns
ns
AC SETUP REQUIREMENTS
SYMBOL
PARAMETER
tsu (H)
tsu (L)
th (H)
th (L)
tw (L)
Setup time, high or low
An, Bn to LE
Hold time, high or low
An, Bn to LE
LE Pulse width, low
TEST
CONDITION
Waveform 4
Waveform 4
Waveform 4
LIMITS
Tamb = +25°C
VCC = +5.0V
CD = 50pF, RL = 500Ω
Tamb = 0°C to +70°C
VCC = +5.0V ± 10%
CD= 50pF, RL = 500Ω
MIN TYP MAX
MIN
MAX
0.0
0.0
1.0
3.5
1.5
2.0
3.0
3.5
6.5
7.5
UNIT
ns
ns
ns
AC WAVEFORMS
An, Bn,
SELCET A/B
VM
tPHL
VM
tPLH
Qn
VM
VM
SF00557
Waveform 1. Propagation delay for SELECT A/B to output
(A register stored data = low) or An. Bn to output
LE VM
VM
VM
tPHL
tPLH
Qn
VM
VM
SF00559
Waveform 3. Propagation delay for latch enable to output
An, Bn,
SELCET A/B
Qn
VM
VM
tPHL
tPLH
VM
VM
SF00558
Waveform 2. Propagation delay for SELECT A/B to output
(A register stored data = low) or An. Bn to output
An, Bn
VM
VM
tsu(H) th(H)
VM
tsu(L)
VM
th(L)
LE
VM
VM
SF00560
Waveform 4. Setup time and hold times and LE pulse width
Note to AC waveforms
For all waveforms, VM = 1.5V.
The shaded areas indicate when the input is permitted to change for predictable output performance.
October 4, 1990
5
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