CD74FCT240_16 Datasheet, PDF (3/12 Pages) Texas Instruments – BiCMOS OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS

CD74FCT240
BiCMOS OCTAL BUFFER/LINE DRIVER
WITH 3-STATE OUTPUTS
SCBS729 − JULY 2000
recommended operating conditions (see Note 2)
MIN MAX UNIT
V_CC
V_IH
V_IL
V_I
V_O
I_OH
I_OL
Δt/Δv
Supply voltage
High-level input voltage
Low-level input voltage
Input voltage
Output voltage
High-level output current
Low-level output current
Input transition rise or fall rate (slew rate)
4.75
2
0
0
0
5.25
0.8
V_CC
V_CC
−15
64
10
V
V
V
V
V
mA
mA
ns/V
T_A
Operating free-air temperature
0
70 °C
NOTE 2: All unused inputs of the device must be held at V_CC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
T_A = 25°C
V_CC
MIN
MIN MAX
V_IK
V_OH
V_OL
I_I
I_OZ
I_OS†
I_CC
ΔI_CC‡
I_I = −18 mA
I_OH = −15 mA
I_OL = 64 mA
V_I = V_CC or GND
V_O = V_CC or GND
V_I = V_CC or GND,
V_I = V_CC or GND,
One input at 3.4 V,
Other inputs at V_CC or GND
V_O = 0
I_O = 0
4.75 V
4.75 V
4.75 V
5.25 V
5.25 V
5.25 V
5.25 V
5.25 V
−1.2
2.4
2.4
0.55
±0.1
±0.5
−60
−60
8
1.6
C_i
V_I = V_CC or GND
10
C_o
V_O = V_CC or GND
15
† _{Not more than one output should be tested at a time, and the duration of the test should not exceed 100 ms.}
‡ _{This is the increase in supply current for each input at one of the specified TTL voltage levels rather than 0 V or VCC.}
MAX
−1.2
0.55
±1
±10
80
1.6
10
15
UNIT
V
V
V
mA
mA
mA
mA
mA
pF
pF
switching characteristics over recommended operating
V_CC = 5 V ± 0.25 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
t_pd
A
Y
t_en
OE
Y
t_dis
OE
Y
free-air temperature range,
T_A = 25°C
TYP
5
7
6
MIN MAX UNIT
1.5
8 ns
1.5
10 ns
1.5 9.5 ns
noise characteristics, V_CC = 5 V, C_L = 50 pF, T_A = 25°C
PARAMETER
V_OL(P)
V_OH(V)
V_IH(D)
V_IL(D)
Quiet output, maximum dynamic V_OL
Quiet output, minimum dynamic V_OH
High-level dynamic input voltage
Low-level dynamic input voltage
MIN TYP MAX UNIT
1
V
0.5
V
2
V
0.8 V
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