Philips Semiconductors Products

Product specification

MB2646

Dual octal bus transceiver/registers (3-State)

August 23, 1993

8

AC WAVEFORMS

VM

nAx or nBx

VM

VM

VM

VM

VM

nCPBA or

nCPAB

ts(H)

th(H)

ts(L)

th(L)

nOE, nDIR

VM

tPZH

tPHZ

0V

VOH –0.3V

tPZL

tPLZ

0V

VOL +0.3V

VM

VM

VM

VM

VM

NOTE: The shaded areas indicate when the input is permitted to change for predictable output performance.

nSBA or nSAB

VM

tPLH

tPHL

VM

VM

VM

nAx or nBx

VM

tPHL

tPLH

VM

VM

VM

nSBA or

nSAB

nAx or nBx

nAx or nBx

nOE, nDIR

nAx or nBx

nDIR

nDIR

VM

VM

VM

VM

VM

1/fMAX

tw(H)

tw(L)

tPHL

tPLH

nCPBA or

nCPAB

nAx or nBx

nAx or nBx

nAx or nBx

Waveform 1. Propagation Delay, Clock Input to Output,

Clock Pulse Width, and Maximum Clock Frequency

Waveform 2. Propagation Delay, nSAB to nBx or

nSBA to nAx, nAx to nBx or nBx to nAx

Waveform 3. Propagation Delay, nSBA to nAx or nSAB to nBx

Waveform 4. Data Setup and Hold Times

Waveform 5. 3-State Output Enable Time to High Level

and Output Disable Time from High Level

Waveform 6. 3-State Output Enable Time to Low Level

and Output Disable Time from Low Level