480227 Datasheet, PDF (658/794 Pages) Texas Instruments – Pocket Data Book

FUNCTION TABLE
INPUTS
OUTPUT
OEAB LEAB CLKAB A
B
L
X
X
X
Z
H
H
X
L
L
H
H
X
H
H
H
L
↓
L
L
H
L
↓
H
H
H
L
H
X
B0‡
H
L
L
X
B0§
† A-to-B data flow is shown: B-to-A flow is similar but
uses OEBA, LEBA, and CLKBA.
‡ Output level befor the indicated steady-state input
conditions were established.
§ Output level before the indicated steady-state input
conditions were established, provided that CLKAB
was low before LEAB went low.
ELECTRICAL CHARACTERISTICS AND RECOMMENDED OPERATING CONDITIONS
PARAMETER
MAX or MIN
ABT
LVTH
3V
ALVCH
3V
UNIT
ICC
MAX
36
5
0.04 mA
IOH
MAX
-32 -32 -24 mA
IOL
MAX
64
64
24
mA
TIMING REQUREMENTS AND SWITCHING CHARACTERISTICS
PARAMETER
INPUT
OUTPUT
MAX or MIN
fmax
tw Pulse duration ^{LEAB or LEBA high}
CLKAB or CLKBA high or low
A before CLKAB ↓
tsu Setup time
B before CLKBA ↓
A before LEAB ↓ or LEBA ↓ CLK high
A before LEAB ↓ or LEBA ↓ CLK low
A after CLKAB ↓ or B after CLKBA ↓
th Hold time
A after LEAB ↓ or B after LEBA ↓ high
A after LEAB ↓ or B after LEBA ↓ low
tPLH
A or B
B or A
tPHL
tPZH
LEAB or LEBA
B or A
tPZL
tPHZ
CLKAB or CLKBA
B or A
tPLZ
tPZH
OEAB
B
tPZL
tPHZ
OEAB
B
tPLZ
tPZH
OEBA
A
tPZL
tPHZ
OEBA
A
tPLZ
UNIT fmax : MHz other : ns
MIN
MIN
MIN
MIN
MAX
MAX
MAX
MAX
MAX
MAX
MAX
ABT
LVTH ALVCH
3V
3V
150 150 150
2.5 3.3 3.3
3
3.3 3.3
3
2.9 1.3
3
2.9 1.3
1
1.4
1
2.5 2.9 1.4
0
0.4 1.3
2
1.6 1.5
2
1.6 1.2
4
3.7 3.9
4.9 3.7 3.9
5
5.1 4.7
5
5.1 4.7
5.3
5
5.5
5.3
5
5.5
5.1 4.8 4.6
5.4 4.8 4.6
6.5 5.8
5
5.4 5.8
5
5.1 4.8 5.2
5.4 4.8 5.2
6.5 5.8 4.3
5.4 5.8 4.3
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. 653
Production processing does not necessarily include testing of all parameters. See www.ti.com/sc/logic for the most current data sheets.