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74F378 Datasheet(PDF) 5 Page - NXP Semiconductors

Part # 74F378
Description  Hex D flip-flop with enable
PDF  10 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74F378 Datasheet(HTML) 5 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
74F378
Hex D flip-flop with enable
1989 Oct 05
5
AC ELECTRICAL CHARACTERISTICS
LIMITS
Tamb = +25°C
Tamb = 0°C to +70°C
SYMBOL
PARAMETER
TEST
VCC = +5.0V
VCC = +5.0V ± 10%
UNIT
CONDITION
CL = 50pF, RL = 500Ω
CL = 50pF, RL = 500Ω
MIN
TYP
MAX
MIN
MAX
fMAX
Maximum clock frequency
Waveform 1
80
100
80
MHz
tPLH
tPHL
Propagation delay
CP to Qn
Waveform 1
3.0
3.5
5.5
6.0
7.5
8.5
3.0
3.5
8.5
9.5
ns
AC SETUP REQUIREMENTS
LIMITS
Tamb = +25°C
Tamb = 0°C to +70°C
SYMBOL
PARAMETER
TEST
VCC = +5.0V
VCC = +5.0V ± 10%
UNIT
CONDITION
CL = 50pF, RL = 500Ω
CL= 50pF, RL = 500Ω
MIN
TYP
MAX
MIN
MAX
ts (H)
ts (L)
Setup time, High or Low
Dn to CP
Waveform 2
4.0
4.0
4.0
4.0
ns
th (H)
th (L)
Hold time, High or Low
Dn to CP
Waveform 2
0
0
0
0
ns
ts (H)
ts (L)
Setup time, High or Low
E to CP
Waveform 2
4.0
10.0
4.0
10.0
ns
th (H)
th (L)
Hold time, High or Low
E to CP
Waveform 2
0
0
0
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.
tPLH
CP
VM
VM
VM
tw(H)
1/fMAX
VM
VM
tw(L)
tPHL
Qn
SF00919
Waveform 1. Propagation Delay, Clock Input to Output,
Clock Pulse Width, and Maximum Clock Frequency
VM
VM
VM
VM
VM
VM
ts(H)
ts(L)
En
CP
SF00920
th=0
th=0
VM
VM
ts
th
Dn
Waveform 2. Data and Enable Setup Time and Hold Times



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