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PDF 74F1604 Data sheet ( Hoja de datos )
| Número de pieza | 74F1604 | |
| Descripción | Latch | |
| Fabricantes | NXP Semiconductors | |
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INTEGRATED CIRCUITS
74F1604
Latch
Product specification
IC15 Data Handbook
Philips
Semiconductors
1990 Oct 04
1 page  
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
3.5 6.5 10.0
2.5
3.0
9.0
11.5
4.0 7.0 10.5
2.5 4.5 7.5
3.5
2.0
12.0
8.0
6.5 9.5 13.0
6.0 9.0 12.5
5.5
5.0
15.0
14.0
4.0 6.5 9.5
4.0 7.0 10.5
3.5
3.5
10.5
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
tPHL
VM
VM
tPLH
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
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet 74F1604.PDF ] | |
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