SN74BCT540ANSR Datasheet, PDF (4/17 Pages) Texas Instruments – OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS

SN54BCT540, SN74BCT540A
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS012E – JULY 1988 – REVISED MARCH 2003
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
CL = 50 pF,
R1 = 500 Ω,
R2 = 500 Ω,
TA = 25°C
’BCT540
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
R1 = 500 Ω,
R2 = 500 Ω,
TA = MIN to MAX^§
SN54BCT540 SN74BCT540A
MIN TYP MAX MIN MAX MIN MAX
tPLH
A
tPHL
2.5 4.1 5.8 1.9 7.2
2
6.9
Y
0.6 1.9 3.5 0.3 4.5
0.3
4
tPZH
OE
tPZL
4 6.8 8.9 4.1 10.4
3.3 10.1
Y
5
8
10 5.3 11.8
4.3 11.3
tPHZ
OE
tPLZ
3.5 5.7 7.8 2.7 9.4
2.7
9
Y
3.8 5.5 7.4 3.5 8.9
3.5
8.5
§ _{For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.}
UNIT
ns
ns
ns
4
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265