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74F841 Fiches technique(PDF) 7 Page - NXP Semiconductors

No de pièce 74F841
Description  Bus interface latches
Download  12 Pages
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Fabricant  PHILIPS [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74F841 Fiches technique(HTML) 7 Page - NXP Semiconductors

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Philips Semiconductors
Product data
74F841/74F842
10-bit bus interface latches, non-inverting/inverting
(3-State)
2004 Jan 23
7
AC ELECTRICAL CHARACTERISTICS for 74F841/74F842
LIMITS
Tamb = +25 °C
Tamb = 0 °C to +70 °C
SYMBOL
PARAMETER
TEST
VCC = +5.0 V
VCC = +5.0 V ± 10%
UNIT
CONDITION
CL = 50 pF; RL = 500 Ω
CL = 50 pF; RL = 500 Ω
MIN
TYP
MAX
MIN
MAX
tPLH
tPHL
Propagation delay
Dn to Qn
74F841
Waveform 1, 2
2.0
2.5
4.0
4.5
7.5
7.5
2.0
2.5
8.0
8.0
ns
tPLH
tPHL
Propagation delay
LE to Qn
74F841
Waveform 1, 2
4.5
4.0
6.5
6.0
9.5
9.0
4.0
3.5
10.0
9.5
ns
tPLH
tPHL
Propagation delay
Dn to Qn
74F842
Waveform 1, 2
3.5
3.0
5.5
5.0
8.5
8.0
4.5
4.0
9.0
8.5
ns
tPLH
tPHL
Propagation delay
LE to Qn
74F842
Waveform 1, 2
5.0
4.5
7.0
6.5
10.0
9.0
3.0
3.0
10.5
9.5
ns
tPZH
tPZL
Output enable time
HIGH or LOW-level OE to Qn or Qn
Waveform 4
Waveform 5
2.5
4.0
4.5
6.0
8.0
9.5
2.0
3.0
8.5
10.5
ns
tPHZ
tPLZ
Output disable time
HIGH or LOW-level OE to Qn or Qn
Waveform 4
Waveform 5
1.0
1.0
4.5
5.0
8.0
8.0
1.0
1.0
8.5
8.5
ns
AC SET-UP REQUIREMENTS for 74F841/74F842
LIMITS
Tamb = +25 °C
Tamb = 0 °C to +70 °C
SYMBOL
PARAMETER
TEST
VCC = +5.0 V
VCC = +5.0 V ± 10%
UNIT
CONDITION
CL = 50 pF; RL = 500 Ω
CL = 50 pF; RL = 500 Ω
MIN
TYP
MIN
MAX
ts(H)
ts(L)
Set-up time, HIGH or LOW
Dn to LE
Waveform 3
0.0
0.0
1.0
1.0
ns
th(H)
th(L)
Hold time, HIGH or LOW
Dn to LE
74F841
Waveform 3
2.5
3.0
3.0
4.0
ns
tw(H)
LE pulse width, HIGH
Waveform 3
3.5
4.0
ns
th(H)
th(L)
Hold time, HIGH or LOW
Dn to LE
74F842
Waveform 3
3.0
3.5
3.5
4.5
ns
tw(H)
LE pulse width, HIGH
Waveform 3
3.0
3.0
ns


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