Datasheet

SN74VMEH22501A
www.ti.com SCES3620A –DECEMBER 2004–REVISED FEBRUARY 2010
Electrical Characteristics (continued)
over recommended operating free-air temperature range for A and B ports (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
1A and 2A inputs 2.8
C
i
V
I
= 3.15 V or 0 pF
Control inputs 2.6
C
o
1Y or 2Y outputs V
O
= 3.15 V or 0 5.6 pF
3A port 7.9
C
io
V
CC
= 3.3 V, V
O
= 3.3 V or 0 pF
Any B port 11 12.5
Live-Insertion Specifications
over recommended operating free-air temperature range for B port
PARAMETER TEST CONDITIONS MIN TYP
(1)
MAX UNIT
V
CC
= 0 to 3.15 V, BIAS V
CC
= 3.15 V to 3.45 V, I
O(DC)
= 0 5 mA
I
CC
(BIAS V
CC
)
V
CC
= 3.15 V to 3.45 V
(2)
, BIAS V
CC
= 3.15 V to 3.45 V, I
O(DC)
= 0 10 mA
V
O
V
CC
= 0, BIAS V
CC
= 3.15 V to 3.45 V 1.3 1.5 1.7 V
V
O
= 0, BIAS V
CC
= 3.15 V –20 –100
I
O
V
CC
= 0 mA
V
O
= 3 V, BIAS V
CC
= 3.15 V 20 100
(1) All typical values are at V
CC
= 3.3 V, T
A
= 25°C.
(2) V
CC
– 0.5 V < BIAS V
CC
Timing Requirements for UBT Transceiver
over recommended operating conditions (unless otherwise noted) (see Figure 1 and Figure 2)
MIN MAX UNIT
f
clock
Clock frequency 120 MHz
LE high 2.5
t
w
Pulse duration ns
CLK high or low 3
Data high 2.1
3A before CLK↑
Data low 2.2
CLK high 2
3A before LE↓
CLK low 2
t
su
Setup time ns
Data high 2.5
3B before CLK↑
Data low 2.7
CLK high 2
3B before LE↓
CLK low 2
Data high 0
3A after CLK↑
Data low 0
CLK high 1
3A after LE↓
CLK low 1
t
h
Hold time ns
Data high 0
3B after CLK↑
Data low 0
CLK high 1
3B after LE↓
CLK low 1
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