74abt623db NXP Semiconductors, 74abt623db Datasheet - Page 5

• Manufacturer Part Number: 74abt623db
• Description: Octal Transceiver With Dual Enable, Non-inverting; 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC CHARACTERISTICS
GND = 0V; t
AC WAVEFORMS
V
TEST CIRCUIT AND WAVEFORMS
1998 Jan 16
M
SYMBOL
Octal transceiver with dual enable, non-inverting
(3-State)
Bn or An
OUTPUT
= 1.5V, V
An or Bn
INPUT
t
t
t
t
t
t
PLH
PHL
PZH
PHZ
PZL
PLZ
Waveform 1. Waveforms Showing the Input to Output
DEFINITIONS
C
From Output
Under Test
L
=
R
IN
= t
C
Propagation delay
An to Bn or Bn to An
Output enable time
to High and Low level
Output disable time
to High and Low level
= GND to 3.0V
Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
L
F
= 50 pF
= 2.5ns; C
V
M
t
Propagation Delays
PHL
PARAMETER
t
t
PHZ
PLZ
TEST
t
L
pd
/t
/t
PZL
PZH
= 50pF, R
V
500
M
Load Circuit
500
open
open
7 V
L
S1
= 500
S1
V
M
7 V
GND
t
SA00012
PLH
Open
WAVEFORM
SA00192
V
M
1
2
2
5
Min
1.0
1.0
1.7
1.7
1.7
1.7
OEBA
INPUT
OEAB
INPUT
Waveform 2. Waveforms Showing the 3-State Output Enable
An or Bn
OUTPUT
An or Bn
OUTPUT
T
V
amb
CC
Typ
= +5.0V
2.6
2.7
3.4
4.8
3.6
3.1
= +25 C
V
t
M
PZH
t
PZL
Max
4.1
4.2
6.5
6.5
6.5
6.5
LIMITS
and Disable Times
V
V
M
M
T
amb
V
Min
1.0
1.0
1.7
1.7
1.7
1.7
CC
= –40 C to +85 C
= +5.0V 0.5V
V
M
t
t
PLZ
PHZ
74ABT623
Max
Product specification
4.6
4.6
7.5
7.5
7.5
7.5
V
V
V
V
OL
OH
OL
OH
SA00193
+ 0.3V
– 0.3V
UNIT
ns
ns
ns
3.5V
0V