SN54BCT623_16 Datasheet, PDF (4/7 Pages) Texas Instruments – OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

SN54BCT623, SN74BCT623
OCTAL BUS TRANSCEIVERS
WITH 3ĆSTATE OUTPUTS
SCBS020A − SEPTEMBER 1988 − REVISED NOVEMBER 1993
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
′BCT623
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
R1 = 500 Ω,
R2 = 500 Ω,
TA = MIN to MAX†
SN54BCT623 SN74BCT623
MIN TYP MAX MIN MAX MIN MAX
tPLH
A
tPHL
0.5 3.1 4.7 0.5 5.3 0.5 5.2
B
1.7 4.9 6.9 1.7 7.6 1.7 7.4
tPLH
B
tPHL
0.9 4.1 5.9 0.9 6.8 0.9 6.7
A
1.8 5.3 7.6 1.8 8.3 1.8
8
tPZH
tPZL
OEBA
3.1 6.8 9.1 3.1 10.7 3.1 10.6
A
3.3 7.2 9.6 3.3 11.3 3.3 10.7
tPHZ
tPLZ
OEBA
1.9 6.1 8.3 1.9 10.6 1.9 9.8
A
1.1 4.6
7 1.1 8.1 1.1 7.8
tPZH
tPZL
OEAB
2
5 6.8
2 7.8
2 7.6
B
2.7 6.2
8 2.7 9.3 2.7 8.9
tPHZ
tPLZ
OEAB
1.1 4.6 6.5 1.1
8 1.1 7.7
B
0.3 3.2 6.3 0.3 7.2 0.3 7.1
† _{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
ns
ns
ns
2−4
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