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74F399 查看數據表(PDF) - Philips Electronics

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74F399 Quad 2-Port Register Philips
Philips Electronics Philips
74F399 Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
Philips Semiconductors
Registers
Product specification
74F398*,74F399
AC ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
fMAX
tPLH
tPHL
Maximum clock frequency
Propagation delay
CP to Qn or Qn
TEST
CONDITION
Waveform 1
Waveform 1
LIMITS
VCC = +5V
Tamb = +25°C
CL = 50pF, RL = 500
MIN TYP MAX
VCC = +5V ± 10%
Tamb = 0°C to +70°C
CL = 50pF, RL = 500
MIN
MAX
100 120
90
3.0
5.7
7.5
3.0
8.5
3.0
6.5
8.5
3.0
9.0
UNIT
MHz
ns
AC SETUP REQUIREMENTS
SYMBOL
PARAMETER
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
I0n, I1n to CP
Hold time, High or Low
I0n, I1n to CP
Setup time, High or Low
S to CP
Hold time, High or Low
S to CP
CP Pulse width
High or Low
TEST
CONDITION
Waveform 2
Waveform 2
Waveform 2
Waveform 2
Waveform 1
LIMITS
VCC = +5V
Tamb = +25°C
CL = 50pF, RL = 500
MIN TYP MAX
VCC = +5V ± 10%
Tamb = 0°C to +70°C
CL = 50pF, RL = 500
MIN
MAX
3.0
3.0
3.0
3.0
1.0
1.0
1.0
1.0
7.5
8.5
7.5
8.5
0
0
0
0
4.0
4.0
6.0
6.0
UNIT
ns
ns
ns
ns
ns
AC WAVEFORMS
For all waveforms, VM = 1.5V.
The shaded areas indicate when the input is permitted to change for predictable output performance.
1/fMAX
CP
VM
tw(H)
tPLH
tw(L)
VM
tPHL
I0n, I1n, S
CP
VM
ts(H)
VM
th(H)
VM
VM
ts(L)
VM
th(L)
VM
Qn, Qn
VM
VM
SF00955
Waveform 1. Propagation Delay, Clock Input to Output,
Clock Pulse Width, and Maximum Clock Frequency
SF00956
Waveform 2. Data and Select Setup and Hold Times
* Discontinued part. Please see the Discontinued Products List..
1999 Jan 08
6
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