BH16501ADL Просмотр технического описания (PDF) - Philips Electronics
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BH16501ADL Datasheet PDF : 13 Pages
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Philips Semiconductors
18-bit universal bus transceiver (3-State)
Product specification
74ABT16501A
74ABTH16501A
AC WAVEFORMS (Continued)
VM = 1.5V, VIN = GND to 3.0V
LEAB or
VM
VM
VM
LEBA
An or Bn
tW(H)
tPHL
VM
tPLH
VOH
VM
VOL
SA00133
Waveform 3. Propagation Delay, Enable to Output, and Enable
Pulse Width
An
or
Bn
ÉÉÉÉÉÉÉÉÉVM
VMÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉVM
ÉÉÉVM ÉÉÉÉÉÉ
tS(H)
th(H)
tS(L)
th(L)
CPAB or CPBA,
VM
VM
LEAB or LEBA
Note: The shaded areas indicate when the input is permitted
to change for predictable output performance.
SA00134
Waveform 4. Data Setup and Hold Times
TEST CIRCUIT AND WAVEFORMS
OEBA
VM
VM
OEAB
An or Bn
tPZH
VM
tPHZ
VOH
VOH –0.3V
SA00135
Waveform 5. 3-State Output Enable Time to High Level
and Output Disable Time from High Level
OEBA
VM
VM
OEAB
tPZL
tPLZ
An or Bn
VM
VOL +0.3V
VOL
SA00136
Waveform 6. 3-State Output Enable Time to Low Level
and Output Disable Time from Low Level
VCC
VIN
VOUT
RL
PULSE
D.U.T.
GENERATOR
RT
CL
RL
Test Circuit for 3-State Outputs
SWITCH POSITION
TEST SWITCH
tPLZ
closed
tPZL
closed
All other open
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
10
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