參數(shù)資料
型號(hào): 933768940602
廠商: NXP SEMICONDUCTORS
元件分類: 鎖存器
英文描述: F/FAST SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, PDIP16
封裝: 0.300 INCH, PLASTIC, SOT-38-4, DIP-16
文件頁(yè)數(shù): 6/10頁(yè)
文件大小: 79K
代理商: 933768940602
Philips Semiconductors
Product specification
74F399
Quad 2-port register
2000 Jun 30
5
AC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST
CONDITION
VCC = +5V
Tamb = +25°C
CL = 50pF, RL = 500
VCC = +5V ± 10%
Tamb = 0°C to +70°C
CL = 50pF, RL = 500
UNIT
MIN
TYP
MAX
MIN
MAX
fMAX
Maximum clock frequency
Waveform 1
100
120
90
MHz
tPLH
tPHL
Propagation delay
CP to Qn or Qn
Waveform 1
3.0
5.7
6.5
7.5
8.5
3.0
8.5
9.0
ns
AC SETUP REQUIREMENTS
LIMITS
SYMBOL
PARAMETER
TEST
CONDITION
VCC = +5V
Tamb = +25°C
CL = 50pF, RL = 500
VCC = +5V ± 10%
Tamb = 0°C to +70°C
CL = 50pF, RL = 500
UNIT
MIN
TYP
MAX
MIN
MAX
ts(H)
ts(L)
Setup time, High or Low
I0n, I1n to CP
Waveform 2
3.0
ns
th(H)
th(L)
Hold time, High or Low
I0n, I1n to CP
Waveform 2
1.0
ns
ts(H)
ts(L)
Setup time, High or Low
S to CP
Waveform 2
7.5
8.5
ns
th(H)
th(L)
Hold time, High or Low
S to CP
Waveform 2
0
ns
tW(H)
tW(L)
CP Pulse width
High or Low
Waveform 1
4.0
6.0
4.0
6.0
ns
AC WAVEFORMS
For all waveforms, VM = 1.5V.
The shaded areas indicate when the input is permitted to change for predictable output performance.
VM
1/fMAX
tPHL
tw(H)
Qn, Qn
tw(L)
VM
CP
tPLH
SF00955
Waveform 1. Propagation Delay, Clock Input to Output,
Clock Pulse Width, and Maximum Clock Frequency
SF00956
VM
I0n, I1n, S
CP
ts(H)
th(H)
ts(L)
th(L)
Waveform 2. Data and Select Setup and Hold Times
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