Datasheet

SN74AVC2T244
www.ti.com SCES767B –SEPTEMBER 2011– REVISED SEPTEMBER 2011
AC ELECTRICAL CHARACTERISTICS
over operating free-air temperature range (unless otherwise noted)
Symbol Parameter V
CCA
(V) VCCB (V) MIN MAX UNIT
0.9 – 3.6 0.9 – 3.6 20
t
PLH
, t
PHL
Propagation Delay, A
n
to B
n
1.2 – 3.6 1.2 – 3.6 7 nS
1.8 – 3.6 1.8 – 3.6 3.5
0.9 – 3.6 0.9 – 3.6 23
t
PZH
, t
PZL
Output Enable, OE to B
n
1.2 – 3.6 1.2 – 3.6 6.5 nS
1.8 – 3.6 1.8 – 3.6 4.1
0.9 – 3.6 0.9 – 3.6 17
t
PHZ
, t
PLZ
Output Disable, OE to B
n
1.2 – 3.6 1.2 – 3.6 7 nS
1.8 – 3.6 1.8 – 3.6 4.3
0.9 – 3.6 0.9 – 3.6 0.15
t
OSHL
, t
OSLH
Output to Output Skew, Time 1.2 – 3.6 1.2 – 3.6 0.15 nS
1.8 – 3.6 1.8 – 3.6 0.15
Table 1. CAPACITANCE
(1)
Symbol Parameter Test Conditions TYP
(2)
Unit
V
CCA
= V
CCB
= 3.3 V, V
I
= 0 V or
C
IN
Control Pin Input Capacitance 3.5 pF
V
CCA/B
V
CCA
= V
CCB
= 3.3 V, V
I
= 0 V or
C
I/O
I/O Pin Input capacitance 5.0 pF
V
CCA/B
V
CCA
= V
CCB
= 3.3 V, V
I
= 0 V or
C
PD
Power Dissipation Capacitance 33 pF
V
CCA/B
, f = 10 MHz
(1) C
PD
is defined as the value of the IC's equivalent capacitance from which the operating current can be calculated from: I
CC(operating)
≈
C
PD
× V
CC
× f
IN
× N
SW
where I
CC
= I
CCA
+ I
CCB
and N
SW
= total number of outputs switching.
(2) Typical values are at TA = +25°C.
Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 5
Product Folder Link(s): SN74AVC2T244