74F821 Ver la hoja de datos (PDF) - Philips Electronics
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Lista de partido
74F821 Datasheet PDF : 18 Pages
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Philips Semiconductors
Bus interface registers
Product specification
74F821/822/823/824/825/826
AC ELECTRICAL CHARACTERISTICS FOR 74F823
LIMITS
SYMBOL
PARAMETER
TEST
CONDITION
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
Tamb = –40°C to +85°C
VCC = +5.0V ± 10%
CL = 50pF
RL = 500Ω
MIN
MAX
fmax
Maximum clock frequency Waveform 1 150 180
140
130
tPLH
Propagation delay
tPHL
CP to Qn or Qn
Waveform 1
4.0 6.5 8.5
4.0 6.0 8.5
4.0
3.5
9.5
9.0
4.0
3.5
10.0
9.0
tPHL
Propagation delay
MR to Qn or Qn
Waveform 2 3.0 5.0 8.0
3.0
8.0
3.0
8.5
tPZH
tPZL
tPHZ
tPLZ
Output enable time
OEn to Qn or Qn
Output disable time
OEn to Qn or Qn
Waveform 4 2.0 4.5 8.0
2.0
9.0
2.0
11.0
Waveform 5 3.0 5.0 8.0
2.5
9.0
2.5
9.0
Waveform 4 1.5 3.5 6.5
1.5
7.5
1.5
8.5
Waveform 5 1.5 3.5 6.5
1.5
7.5
1.5
8.5
UNIT
ns
ns
ns
ns
ns
AC SETUP REQUIREMENTS FOR 74F823
SYMBOL
PARAMETER
TEST
CONDITION
tsu (H)
tsu (L)
th (H)
th (L)
tw (H)
tw (L)
tsu (H)
tsu (L)
th (H)
th (L)
tw (L)
trec
Setup time, high or low
Dn to CP
Hold time, high or low
Dn to CP
CP Pulse width,
high or low
Setup time, high or low,
CE to CP
Hold time, high or low
CE to CP
MR Pulse width,
low
Recovery time,
MR to CP
Waveform 3
Waveform 3
Waveform 1
Waveform 3
Waveform 3
Waveform 2
Waveform 2
Tamb = +25°C
VCC = +5.0V
CL = 50pF
RL = 500Ω
MIN TYP MAX
1.0
1.0
2.0
2.0
3.5
3.5
0.0
2.0
0.0
3.0
LIMITS
Tamb = 0°C to +70°C
VCC = +5.0V ± 10%
CL = 50pF
RL = 500Ω
MIN
MAX
1.0
1.0
2.0
2.0
4.0
4.0
0.0
2.0
0.0
3.5
Tamb = –40°C to +85°C
VCC = +5.0V ± 10%
CL = 50pF
RL = 500Ω
MIN
MAX
2.0
1.5
2.5
2.0
4.0
4.0
0.0
2.0
1.5
4.0
UNIT
ns
ns
ns
ns
ns
4.5
4.5
4.5
ns
2.5
2.5
2.5
ns
1996 Jan 05
12
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