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74ALVCH16646 View Datasheet(PDF) - Philips Electronics

Part Name
Description
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74ALVCH16646
Philips
Philips Electronics Philips
74ALVCH16646 Datasheet PDF : 12 Pages
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Philips Semiconductors
16-bit bus transceiver/register (3-State)
Product specification
74ALVCH16646
AC WAVEFORMS
VCC = 2.3 TO 2.7 V RANGE
1. VM = 0.5 V
2. VX = VOL + 0.15V
3. VY = VOH – 0.15V
4. VI = VCC
5. VOL and VOH are the typical output voltage drop that occur with
the output load.
VCC = 3.0 TO 3.6 V RANGE AND VCC = 2.7 V
1. VM = 1.5 V
2. VX = VOL + 0.3V
3. VY = VOH – 0.3V
4. VI = 2.7 V
5. VOL and VOH are the typical output voltage drop that occur with
the output load.
nCPBA or
nCPAB
1/fMAX
VM
tw(H)
tPHL
VM
tw(L)
VM
tPLH
3.0V or VCC
whichever
is less
0V
VOH
nAx or nBx
VM
VM
VOL
SH00030
Waveform 1. Propagation Delay, Clock Input to Output, Clock
Pulse Width, and Maximum Clock Frequency
nSBA or nSAB
nAx or nBx
VM
tPLH
VM
VM
tPHL
VM
3.0V or VCC
nAx or nBx
0V
VOH
nAx or nBx
VOL
SH00031
Waveform 2. Propagation Delay, nSAB to nBx or nSBA to nAx,
nAx to nBx or nBx to nAx
nSBA or
nSAB
nAx or nBx
VM
tPHL
VM
VM
tPLH
VM
3.0V or VCC
0V
VOH
VOL
SH00032
Waveform 3. Propagation Delay, nSBA to nAx or nSAB to nBx
ÉÉÉ nAx or
ÉÉÉÉÉÉ nBx
VM
ts(H)
nCPBA or
nCPAB
ÉÉÉVM ÉÉÉÉÉÉÉÉÉÉÉÉVMÉÉÉÉÉÉVMÉÉÉÉÉÉ
3.0V
or
VCC
0V
th(H)
ts(L)
th(L)
3.0V
or
VM
VCC
VM
0V
NOTE: The shaded areas indicate when the input is permitted
to change for predictable output performance.
SH00033
Waveform 4. Data Setup and Hold Times
nOE, nDIR
nDIR
nAx or nBx
VM
tPZH
VM
tPHZ
VM
3.0V or VCC
whichever
is less
0V
VOH
VY
0V
SH00034
Waveform 5. 3–State Output Enable Time to High Level and
Output Disable Time from High Level
nOE, nDIR
nDIR
nAx or nBx
VM
tPZL
VM
tPLZ
VM
3.0V or VCC
0V
3.0V or VCC
VX
VOL 0V
SH00035
Waveform 6. 3–State Output Enable Time to Low Level and
Output Disable Time from Low Level
TEST CIRCUIT
VI
PULSE
GENERATOR
VCC
D.U.T.
RT
VO
CL 50pF
S1
500
2 x VCC
Open
GND
500
VCC
t 2.7V
2.7V – 3.6V
VI
VCC
2.7V
Test
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
S1
Open
2 x VCC
GND
SY00003
Load circuitry for switching times
1998 Sep 03
8
 

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