74LVC652 데이터 시트보기 (PDF) - Philips Electronics
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74LVC652 Datasheet PDF : 14 Pages
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Philips Semiconductors
Octal transceiver/register with dual enable (3-State)
Product specification
74LVC652
AC CHARACTERISTICS
GND = 0 V; tr = tf v 2.5 ns; CL = 50 pF
SYMBOL
PARAMETER
WAVEFORM
tPHL/tPLH
Propagation delay
An to Bn, Bn to An
Figures 1, 5
tPHL/tPLH
tPHL/tPLH
tPZH/tPZL
tPHZ/tPLZ
tPZH/tPZL
tPHZ/tPLZ
tW
Propagation delay
CPAB, CPBA to Bn, An
Propagation delay
SAB, SBA to Bn, An
3-State output enable time
OEAB to Bn
3-State output disable time
OEAB to Bn
3-State output enable time
OEBA to An
3-State output disable time
OEBA to An
Clock pulse width
HIGH or LOW
CPAB or CPBA
Figures 2, 5
Figures 3, 5
Figures 4, 5
Figures 4, 5
Figures 4, 5
Figures 4, 5
Figures 4, 5
tsu
Set-up time
An, Bn to CPAB, CPBA
th
Hold time
An, Bn to CPAB, CPBA
fmax
Maximum clock pulse
frequency
Figure 2
Figure 2
Figure 2
NOTE:
1. These typical values are at VCC = 3.3V and Tamb = 25°C.
VCC = 3.3V ±0.3V
MIN TYP1 MAX
1.5
4.6
7.9
1.5
5.2
8.9
1.5
5.2
8.8
1.5
4.8
8.0
1.5
4.4
8.0
1.5
4.8
8.0
1.5
4.4
8.0
–
3.0
–
1.5
0.5
–
1.0
0
–
7.5
150
–
LIMITS
VCC = 2.7V
MIN MAX
1.5
9.2
1.5
11
1.5
11
1.5
10
1.5
10
1.5
10
1.5
10
3.0
–
1.5
–
1.0
–
–
–
VCC = 1.2V
MIN
TYP
1.5
24
1.5
26
1.5
27
1.5
20
1.5
10
1.5
20
1.5
10
–
–
–
–
–
–
–
–
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
AC WAVEFORMS
VM = 1.5V at VCC w 2.7V
VM = 0.5V * VCC at VCC t 2.7V
VOL and VOH are the typical output voltage drop that occur with the
output load.
VX = VOL + 0.3V at VCC w 2.7V
VX = VOL + 0.1VCC at VCC < 2.7V
VY = VOH – 0.3V at VCC w 2.7V
VY = VOH – 0.1VCC at VCC < 2.7V
VI
An,B n
INPUT
GND
t PLH
V OH
Bn, An
OUTPUT
V OL
VM
VM
t PHL
SV00772
Figure 1. Input An, Bn to output Bn, An propagation delays.
VI
An, B n
INPUT
GND
VOH
CPAB, CP BA
OUTPUT
VOL
VOH
Bn, A n
OUTPUT
VOL
VM
th
tsu
VM
tW
1/fmax
tPHL
th
tsu
tPLH
SV00773
Figure 2. An, Bn to CPAB, CPBA set-up and hold times, clock
CPAB, CPBA pulse width, maximum clock pulse frequency and
the CPAB, CPBA to output Bn, An propagation delays.
1998 Jul 29
8
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