SN74LVTH646-EP Datasheet, PDF (7/12 Pages) Texas Instruments – 3.3-V ABT OCTAL BUS TRANSVEIVER AND REGISTER WITH 3-STATE OUTPUTS

SN74LVTH646ĆEP
3.3ĆV ABT OCTAL BUS TRANSCEIVER AND REGISTER
WITH 3ĆSTATE OUTPUTS
SCBS775A − NOVEMBER 2003 − REVISED APRIL 2004
switching characteristics over recommended operating free-air temperature range, C_L = 50 pF
(unless otherwise noted) (see Figure 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 3.3 V
± 0.3 V
MIN TYP† MAX
VCC = 2.7 V
MIN MAX
fmax
150
150
tPLH
tPHL
CLKBA or CLKAB
A or B
1.8 3.1 4.7
5.6
1.8 3.1 4.7
5.6
tPLH
tPHL
A or B
B or A
1.3 2.3 3.5
4.1
1.3 2.4 3.5
4.1
tPLH
tPHL
SBA or SAB‡
A or B
1.5
3 4.9
6
1.5 3.3 4.9
6
tPZH
OE
tPZL
A or B
1.1 3.1 5.2
6.5
1.1 3.4 5.2
6.5
tPHZ
OE
tPLZ
A or B
2.3 3.9 5.5
6.1
2.3
4 5.5
5.9
tPZH
DIR
tPZL
A or B
1.3 3.4 5.2
6.6
1.3 3.6 5.2
6.6
tPHZ
DIR
tPLZ
A or B
1.5 3.2 5.6
6.7
1.5 3.8 5.6
6.3
† _{All typical values are at VCC = 3.3 V, TA = 25°C.}
‡ _{These parameters are measured with the internal output state of the storage register opposite that of the bus input.}
UNIT
MHz
ns
ns
ns
ns
ns
ns
ns
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
7