SN54BCT244_07 Datasheet, PDF (4/17 Pages) Texas Instruments – OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS

SN54BCT244, SN74BCT244
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS006E – OCTOBER 1987 – REVISED APRIL 1994
switching characteristics (see Note 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
CL = 50 pF,
R1 = 500 Ω,
R2 = 500 Ω,
TA = 25°C
′BCT244
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
R1 = 500 Ω,
R2 = 500 Ω,
TA = MIN to MAX†
SN54BCT244 SN74BCT244
MIN TYP MAX MIN MAX MIN MAX
tPLH
A
tPHL
1.2 2.5 4.4 0.9 5.3 0.9
5
Y
1.7 3.2
5 1.4
6 1.4 5.5
tPZH
OE
tPZL
2 5.7 7.8
2
9
2 8.7
Y
2 5.9 8.1
2 9.4
2 8.9
tPHZ
OE
tPLZ
2 5.4 6.7
2
8
2 7.7
Y
2 6.1 7.6
2 9.8
2 8.9
† _{For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.}
NOTE 2: Load circuits and voltage waveforms are shown in Section 1.
UNIT
ns
ns
ns
2–4
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