SN54F240 Datasheet, PDF (4/5 Pages) Texas Instruments – OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS

SN54F240, SN74F240
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SDFS061A – D2932, MARCH 1987 – REVISED OCTOBER 1993
switching characteristics (see Note 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
CL = 50 pF,
RL = 500 Ω,
TA = 25°C
′F240
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
RL = 500 Ω,
TA = MIN to MAX†
SN54F240
SN74F240
MIN TYP MAX MIN MAX MIN MAX
tPLH
tPHL
Any A
2.2 4.7
7 2.2
9 2.2
8
Y
1.2 3.1 4.7 1.2
6 1.2 5.7
tPZH
OE
tPZL
1.2 3.1 5.3 1.2 6.7 1.2 6.1
Y
3.2 6.5
9 3.2 10.5 3.2
10
tPHZ
OE
tPLZ
1.2 3.6 5.3 1.2 6.5 1.2 6.3
Y
1.2 5.6
8 1.2 12.5 1.2 9.5
† _{For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.}
NOTE 2: Load circuits and waveforms are shown in Section 1.
UNIT
ns
ns
ns
2–4
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