74lvc244abq NXP Semiconductors, 74lvc244abq Datasheet - Page 9

• Manufacturer Part Number: 74lvc244abq
• Description: Octal Buffer/line Driver With 5 V Tolerant Inputs/outputs 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC CHARACTERISTICS
GND = 0 V; t
Notes
1. All typical values are measured at V
2. Skew between any two outputs of the same package switching in the same direction. This parameter is guaranteed
2003 Oct 30
T
t
t
t
t
T
t
t
t
t
SYMBOL
PHL
PZH
PHZ
sk(0)
PHL
PZH
PHZ
sk(0)
amb
amb
Octal buffer/line driver with 5 V tolerant
inputs/outputs (3-state)
by design.
/t
/t
/t
/t
/t
/t
PLH
PLH
PZL
PLZ
PZL
PLZ
= 40 to +85 C
= 40 to +125 C
r
propagation delay 1An to 1Yn, 2An to 2Yn see Figs 6 and 8
3-state output enable time 1OE to 1Yn,
2OE to 2Yn
3-state output disable time 1OE to 1Yn,
2OE to 2Yn
skew
propagation delay 1An to 1Yn, 2An to 2Yn see Figs 6 and 8
3-state output enable time 1OE to 1Yn,
2OE to 2Yn
3-state output disable time 1OE to 1Yn,
2OE to 2Yn
skew
= t
f
2.5 ns.
PARAMETER
CC
= 3.3 V and T
amb
see Figs 7 and 8
see Figs 7 and 8
note 2
see Figs 7 and 8
see Figs 7 and 8
note 2
9
WAVEFORMS
= 25 C.
TEST CONDITIONS
74LVC244A; 74LVCH244A
1.2
2.7
3.0 to 3.6
1.2
2.7
3.0 to 3.6
1.2
2.7
3.0 to 3.6
1.2
2.7
3.0 to 3.6
1.2
2.7
3.0 to 3.6
1.2
2.7
3.0 to 3.6
V
CC
(V)
1.5
1.5
1.5
1.0
1.5
1.5
1.5
1.5
1.5
1.0
1.5
1.5
MIN.
17.0
3.3
2.8
24.0
3.3
3.4
9.0
3.2
2.9
TYP.
Product specification
(1)
(1)
(1)
6.9
5.9
8.6
7.6
6.8
5.8
1.0
9.0
7.5
11
9.5
8.5
7.5
1.5
MAX. UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns