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74ABT651 Datasheet, PDF (6/7 Pages) NXP Semiconductors – Octal transceiver/register, inverting 3-State | |||
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Philips Semiconductors
Octal transceiver/register, inverting (3-State)
Product specification
74ABT651
AC SETUP REQUIREMENTS
GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500â¦
SYMBOL
PARAMETER
WAVEFORM
ts(H)
ts(L)
Setup time
An to CPAB, Bn to CPBA
4
th(H)
th(L)
Hold time
An to CPAB, Bn to CPBA
4
tw(H)
tw(L)
Pulse width, High or Low
CPAB or CPBA
1
AC WAVEFORMS
VM = 1.5V, VIN = GND to 3.0V
1/fMAX
CPBA or
CPAB
VM
VM
VM
An or Bn
tw(H)
tPHL
tw(L)
VM
tPLH
VM
SA00087
Waveform 1. Propagation Delay, Clock Input to Output, Clock
Pulse Width, and Maximum Clock Frequency
An or Bn
VM
tPLH
VM
tPHL
Bn or An
VM
VM
SA00016
Waveform 2. Propagation Delay, An to Bn or Bn to An
Tamb = +25oC
VCC = +5.0V
Min
Typ
3.0
1.2
3.0
0.8
0.0
â0.8
0.0
â0.9
4.0
1.2
4.0
1.1
LIMITS
Tamb = -40 to +85oC
VCC = +5.0V ±0.5V
Min
3.0
3.0
0.0
0.0
4.0
4.0
UNIT
ns
ns
ns
ÃÃÃÃÃÃÃÃÃ An or Bn
VM
VÃÃÃM ÃÃÃÃÃÃÃÃÃÃÃÃVMÃÃÃÃÃÃVMÃÃÃÃÃÃ
ts(H)
th(H)
ts(L)
th(L)
CPBA or
CPAB
tW(L)
VM
VM
NOTE: The shaded areas indicate when the input is permitted
to change for predictable output performance.
Waveform 4. Data Setup and Hold Times
SA00090
OEBA
OEAB
VM
tPZH
VM
tPHZ
An or Bn
VM
VOH â0.3V
0V
SA00100
Waveform 5. 3âState Output Enable Time to High Level and
Output Disable Time from High Level
SBA or SAB
An or Bn
VM
VM
tPHL
VM
tPLH
VM
SA00089
Waveform 3. Propagation Delay, SBA to An or SAB to Bn
OEBA
OEAB
VM
tPZL
VM
tPLZ
An or Bn
VM
VOL +0.3V
0V
SA00101
Waveform 6. 3âState Output Enable Time to Low Level and
Output Disable Time from Low Level
1995 Sep 06
6
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