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74HCT646D,653

P1-P3P4-P6P7-P9P10-P12P13-P13
September 1993 9
Philips Semiconductors Product specification
Octal bus transceiver/register; 3-state 74HC/HCT646
AC WAVEFORMS
Fig.6 Waveforms showing the input A
n
, B
n
to output B
n
, A
n
propagation delays and the output transition times.
(1) HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.7 Waveforms showing the A
n
,B
n
to CP
AB
, CP
BA
set-up and hold times, clock CP
AB
,CP
BA
pulse width,
maximum clock pulse frequency and the CP
AB
,CP
BA
to output B
n
,A
n
propagation delays.
(1) HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.8 Waveforms showing the input S
AB
,S
BA
to output B
n
,A
n
propagation delays and output transition times.
(1) HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
September 1993 10
Philips Semiconductors Product specification
Octal bus transceiver/register; 3-state 74HC/HCT646
Fig.9 Waveforms showing the input OE to output A
n
,B
n
3-state enable and disable times.
(1) HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.10 Waveforms showing the input DIR to output A
n
, B
n
3-state enable and disable times.
(1) HC : V
M
= 50%; V
I
= GND to V
CC
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
September 1993 11
Philips Semiconductors Product specification
Octal bus transceiver/register; 3-state 74HC/HCT646
APPLICATION INFORMATION
Fig.11 Data storage from A and/or B bus.
Fig.12 Real-time transfer from bus A to bus B.
Fig.13 Real-time transfer from bus B to bus A.
P1-P3P4-P6P7-P9P10-P12P13-P13

74HCT646D,653

Mfr. #:
Buy 74HCT646D,653
Manufacturer:
NXP Semiconductors
Description:
IC TRANSCVR NON-INVERT 5.5V 24SO
Lifecycle:
New from this manufacturer.
Delivery:
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