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BH16841ADGG Schematic ( PDF Datasheet ) - NXP Semiconductors

Teilenummer BH16841ADGG
Beschreibung 20-bit bus interface latch 3-State
Hersteller NXP Semiconductors
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Gesamt 10 Seiten
BH16841ADGG Datasheet, Funktion
INTEGRATED CIRCUITS
74ABT16841A
74ABTH16841A
20-bit bus interface latch (3-State)
Product specification
Supersedes data of 1995 Sep 28
IC23 Data Handbook
1998 Feb 27
Philips
Semiconductors






BH16841ADGG Datasheet, Funktion
Philips Semiconductors
20-bit bus interface latch (3-State)
Product specification
74ABT16841A
74ABTH16841A
AC SETUP REQUIREMENTS
GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500
SYMBOL
PARAMETER
WAVEFORM
ts(H)
ts(L)
th(H)
th(L)
tw(H)
Setup time, High or Low
nDx to nLE
Hold time, High or Low
nDx to nLE
nLE pulse width High
3
3
1
LIMITS
Tamb = +25oC
VCC = +5.0V
Min Typ
Tamb = -40 to +85oC
VCC = +5.0V ±0.5V
Min Max
2.0 1.0 2.0
1.0 0.4 1.0
2.0 –0.3 2.0
2.0 –0.7 2.0
2.9 1.9 2.9
UNIT
ns
ns
ns
AC WAVEFORMS
VM = 1.5V, VIN = GND to 3.0V
nLE VM VM VM
3.0V or VCC
whichever
is less
tw(H)
tPHL
nQx VM
tPLH
VM
0V
VOH
VOL
SA00078
Waveform 1. Propagation Delay, Latch Enable Input to
Output, and Enable Pulse Width
nDx INPUT
nQx OUTPUT
VM
tPLH
VM
tPHL
VM VM
3.0V or VCC
whichever
is less
0V
3.0V or VCC
whichever
is less
0V
SA00079
Waveform 2. Propagation Delay for Data to Outputs
ÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉnDx
VM VM
VM VM
3.0V or VCC
whichever
is less
0V
ts(H)
th(H)
ts(L)
th(L)
nLE VM
3.0V or VCC
whichever
VM is less
0V
NOTE: The shaded areas indicate when the input is
permitted to change for predictable output performance.
SA00080
Waveform 3. Data Setup and Hold Times
nOE
nQx
VM
tPZH
VM
tPHZ
VM
3.0V or VCC
whichever
is less
0V
VOH
VY
0V
SH00007
Waveform 4. 3–State Output Enable Time to High Level
and Output Disable Time from High Level
nOE
nQx
VM
tPZL
VM
tPLZ
VM
3.0V or VCC
whichever
is less
0V
VX
VOL
3.0V or VCC
0V
SH00008
Waveform 5. 3–State Output Enable Time to Low Level and
Output Disable Time from Low Level
1998 Feb 27
6

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