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零件编号 | 74ABT16543 | ||
描述 | 16-bit latched transceivers with dual enable 3-State | ||
制造商 | NXP Semiconductors | ||
LOGO | |||
1 Page
INTEGRATED CIRCUITS
74ABT16543
74ABTH16543
16-bit latched transceivers with
dual enable (3-State)
Product specification
Supersedes data of 1995 Aug 17
IC23 Data Handbook
1998 Feb 27
Philips
Semiconductors
Philips Semiconductors
16-bit latched transceivers with dual enable
(3-State)
Product specification
74ABT16543
74ABTH16543
AC WAVEFORMS (Continued)
VM = 1.5V, VIN = GND to 3.0V
ÉÉÉ ÉÉÉÉÉÉÉÉÉÉnAx,nBx
VM
ÉÉÉÉÉÉ ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉts(H)
VM
th(H)
VM VM
ts(L)
th(L)
nLEAB, nLEBA,
nEAB, nEBA
VM
tw(L)
VM
NOTE: The shaded areas indicate when the input is permitted
to change for predictable output performance.
SH00042
Waveform 3. Data Setup and Hold Times and Latch Enable
Pulse Width
nOEAB, nOEBA,
nEAB, nEBA
VM
tPZL
VM
tPLZ
nAx, nBx
VM VOL +0.3V
VOL
SH00044
Waveform 5. 3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
nOEAB, nOEBA,
nEAB, nEBA
nAx, nBx
VM
tPZH
VM
tPHZ
VM
VOH
VOH –0.3V
0V
SH00043
Waveform 4. 3-State Output Enable Time to High Level and
Output Disable Time from High Level
TEST CIRCUIT AND WAVEFORMS
VCC
PULSE
GENERATOR
VIN
RT
D.U.T.
VOUT
CL
Test Circuit for 3-State Outputs
SWITCH POSITION
TEST SWITCH
tPLZ closed
tPZL closed
All other open
RL
RL
7.0V
90%
NEGATIVE
PULSE
POSITIVE
PULSE
10%
VM
10%
tW
VM
10%
tTHL (tF)
tTLH (tR)
90%
VM
90%
VM
tW
VM = 1.5V
Input Pulse Definition
90%
AMP (V)
0V
tTLH (tR)
tTHL (tF)
AMP (V)
10%
0V
DEFINITIONS
RL = Load resistor; see AC CHARACTERISTICS for value.
CL = Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
RT = Termination resistance should be equal to ZOUT of
pulse generators.
FAMILY
INPUT PULSE REQUIREMENTS
Amplitude Rep. Rate tW
tR
tF
74ABT/H16
3.0V
1MHz 500ns 2.5ns 2.5ns
SA00018
1998 Feb 27
8
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页数 | 12 页 | ||
下载 | [ 74ABT16543.PDF 数据手册 ] |
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