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| MB2646 Datasheet, PDF (8/16 Pages) NXP Semiconductors – Dual octal bus transceiver/registers 3-State | |||
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Philips Semiconductors Products
Dual octal bus transceiver/registers (3-State)
Product specification
MB2646
AC WAVEFORMS
VM = 1.5V, VIN = GND to 3.0V
nCPBA or
nCPAB
nAx or nBx
1/fMAX
VM
VM
tw(H)
tPHL
tw(L)
VM
VM
tPLH
VM
nSBA or nSAB
nAx or nBx
VM
VM
tPLH
VM
tPHL
VM
nAx or nBx
nAx or nBx
Waveform 1. Propagation Delay, Clock Input to Output,
Clock Pulse Width, and Maximum Clock Frequency
nSBA or
nSAB
nAx or nBx
VM
VM
tPHL
VM
tPLH
VM
Waveform 2. Propagation Delay, nSAB to nBx or
ÃÃÃ ÃÃÃÃÃÃÃÃÃ nSBA to nAx, nAx to nBx or nBx to nAx
ÃÃÃÃÃÃ ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ nAxornBx
VM
ÃÃÃÃÃÃ ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ ts(H)
VM
th(H)
VM
VM
ts(L)
th(L)
nCPBA or
nCPAB
VM
VM
Waveform 3. Propagation Delay, nSBA to nAx or nSAB to nBx
Waveform 4. Data Setup and Hold Times
nOE, nDIR
nDIR
nAx or nBx
VM
tPZH
VM
tPHZ
VM
VOH â0.3V
0V
Waveform 5. 3-State Output Enable Time to High Level
and Output Disable Time from High Level
nOE, nDIR
nDIR
VM
tPZL
VM
tPLZ
nAx or nBx
VM
VOL +0.3V
0V
Waveform 6. 3-State Output Enable Time to Low Level
and Output Disable Time from Low Level
NOTE: The shaded areas indicate when the input is permitted to change for predictable output performance.
August 23, 1993
8
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