SN74ALVCH244_07 Datasheet, PDF (4/16 Pages) Texas Instruments – OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS

SN74ALVCH244
OCTAL BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCES112F – JULY 1997 – REVISED AUGUST 2004
www.ti.com
ELECTRICAL CHARACTERISTICS
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
V_OH
I_OH = -100 µA
I_OH = -4 mA
I_OH = -6 mA
I_OH = -12 mA
TEST CONDITIONS
V_CC
1.65 V to 3.6 V
1.65 V
2.3 V
2.3 V
2.7 V
3V
MIN TYP⁽¹⁾
V_CC - 0.2
1.2
2
1.7
2.2
2.4
MAX UNIT
V
I_OH = -24 mA
I_OL = 100 µA
I_OL = 4 mA
V_OL
I_OL = 6 mA
I_OL = 12 mA
3V
1.65 V to 3.6 V
1.65 V
2.3 V
2.3 V
2.7 V
2
0.2
0.45
0.4
V
0.7
0.4
I_I
I_I(hold)
I_OZ
I_CC
∆I_CC
C_i
Control inputs
Data inputs
I_OL = 24 mA
V_I = V_CC or GND
V_I = 0.58 V
V_I = 1.07 V
V_I = 0.7 V
V_I = 1.7 V
V_I = 0.8 V
V_I = 2 V
V_I = 0 to 3.6 V⁽³⁾
V_O = V_CC or GND
V_I = V_CC or GND,
One input at V_CC - 0.6 V,
V_I = V_CC or GND
I_O = 0
Other inputs at V_CC or GND
3V
3.6 V
1.65 V
1.65 V
2.3 V
2.3 V
3V
3V
3.6 V
3.6 V
3.6 V
3 V to 3.6 V
3.3 V
0.55
±5 µA
(2)
(2)
45
-45
µA
75
-75
±500
±10 µA
10 µA
750 µA
4.5
pF
6
C_o Outputs
V_O = V_CC or GND
3.3 V
8
pF
(1) All typical values are at V_CC = 3.3 V, T_A = 25°C.
(2) This information was not available at the time of publication.
(3) This is the bus-hold maximum dynamic current. It is the minimum overdrive current required to switch the input from one state to
another.
SWITCHING CHARACTERISTICS
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)
PARAMETER
t_pd
t_en
t_dis
FROM
(INPUT)
A
OE
OE
TO
(OUTPUT)
Y
Y
Y
V_CC = 1.8 V
TYP
(1)
(1)
(1)
V_CC = 2.5 V
± 0.2 V
MIN MAX
1 3.1
1.5 5.4
1 4.1
V_CC = 2.7 V
MIN MAX
3.1
5.3
4.4
(1) This information was not available at the time of publication.
V_CC = 3.3 V
± 0.3 V
MIN MAX
1.1 2.8
1.5 4.5
1.7 4.2
UNIT
ns
ns
ns
4