74F2952 查看數據表（PDF） - Philips Electronics
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74F2952 Datasheet PDF : 14 Pages
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Philips Semiconductors
Transceivers
Product specification
74F2952, 74F2953
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
TEST
CONDITION
fMAX
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Maximum clock frequency
Propagation delay
CPBA or CPAB to An or Bn
Output Enable time
OEBA or OEAB to An or Bn
Output Disable time
OEBA or OEAB to An or Bn
AC SETUP REQUIREMENTS
Waveform 1
Waveform 1
Waveform 3
Waveform 4
Waveform 3
Waveform 4
SYMBOL
PARAMETER
TEST
CONDITION
ts(H)
ts(L)
ts(H)
ts(L)
th(H)
th(L)
ts(H)
ts(L)
th(H)
th(L)
tw(H)
tw(L)
Setup time, High or Low
An or Bn to CPAB or CPBA
Setup time, High or Low
An or Bn to CPAB or CPBA
Hold time, High or Low
An or Bn to CPAB or CPBA
Setup time, High or Low
CEAB, CEBA to CPAB, CPBA
Hold time, High or Low
CEAB, CEBA to CPAB, CPBA
CPAB or CPBA pulse width,
High or Low
74F2952
74F2953
Waveform 2
Waveform 2
Waveform 2
Waveform 2
Waveform 2
Waveform 1
LIMITS
Tamb = +25°C
VCC = +5V
CL = 50pF, RL = 500Ω
MIN
TYP MAX
Tamb = 0°C to +70°C
VCC = +5V ± 10%
CL = 50pF, RL = 500Ω
MIN
MAX
145
160
135
3.0
5.0
7.5
2.5
8.0
3.5
6.0
8.5
3.5
9.0
2.0
4.5
7.0
2.0
8.0
3.5
6.0
9.5
3.0
10.0
2.0
4.0
8.0
1.5
9.0
1.5
3.5
6.5
1.0
7.0
UNIT
MHz
ns
ns
ns
LIMITS
Tamb = +25°C
VCC = +5V
CL = 50pF, RL = 500Ω
Tamb = 0°C to +70°C
VCC = +5V ± 10%
CL = 50pF, RL = 500Ω
MIN
TYP MAX
MIN
MAX
4.5
5.0
3.5
4.0
4.0
4.0
3.5
4.0
0.0
0.0
0.0
0.0
0.0
0.0
4.0
4.0
2.5
2.5
2.5
3.0
3.0
3.0
3.5
3.5
UNIT
ns
ns
ns
ns
ns
ns
1989 Sep 22
8
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