Datasheet

SN74VMEH22501
LVTTL-TO-ETL 8-BIT UNIVERSAL BUS TRANSCEIVER AND TWO 1-BIT BUS
TRANSCEIVERS WITH SPLIT LVTTL PORT, FEEDBACK PATH, AND 3-STATE OUTPUTS
SCES357A JULY 2001 REVISED SEPTEMBER 2001
6–9
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range for A and B
ports (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP
MAX UNIT
V
IK
V
CC
= 3.15 V, I
I
= 18 mA –1.2 V
3A port, any B ports,
and Y outputs
V
CC
= 3.15 V to 3.45 V, I
OH
= –100 µA V
CC
–0.2
I
OH
= 6 mA 2.4
V
OH
3A port and Y outputs V
CC
= 3.15 V
I
OH
= 12 mA 2
V
I
OH
= 24 mA 2.4
Any B port V
CC
= 3.15 V
I
OH
= 48 mA 2
3A port, any B ports,
and Y outputs
V
CC
= 3.15 V to 3.45 V, I
OL
= 100 µA 0.2
3A port, any B ports,
I
OL
= 6 mA 0.55
V
OL
and Y outputs
V
CC
= 3.15 V
I
OL
= 12 mA 0.8
V
I
OL
= 24 mA 0.4
Any B port V
CC
= 3.15 V
I
OL
= 48 mA 0.55
Control inputs,
V
CC
= 3.45 V, V
I
= V
CC
or GND ±1
1A and 2A
V
CC
= 0 or 3.45 V, V
I
= 5.5 V 10
I
I
V
CC
= 0 to 3.45 V, V
I
= 5.5 V 10
µA
3A port and any B port
V
I
= V
CC
1
V
CC
= 3.45 V
V
I
= 0 –5
A port
V
CC
= 3.45 V, V
O
= V
CC
10
µ
I
OZH
B port
V
CC
= 3.45 V, V
O
= V
CC
5
µA
A port
V
CC
= 3.45 V, V
O
= GND –10
µ
I
OZL
B port
V
CC
= 3.45 V, V
O
= GND –5
µA
V
I
= 0 to V
CC
10
3A port and any B port
§
V
I
= 5.5 V 5
µ
I
OZ
V
CC
= 3.45 V
V
I
= 0 to V
CC
–10
µA
Y output
V
I
= 5.5 V –5
I
off
V
CC
= 0, BIAS V
CC
= 0, V
I
or V
O
= 0 to 5.5 V ±100 µA
I
BHL
3A port V
CC
= 3.15 V, V
I
= 0.8 V 75 µA
I
BHH
#
3A port V
CC
= 3.15 V, V
I
= 2 V –75 µA
I
BHLO
||
3A port V
CC
= 3.45 V, V
I
= 0 to V
CC
500 µA
I
BHHO
k
3A port V
CC
= 3.45 V, V
I
= 0 to V
CC
–500 µA
I
OZ(PU/PD)
V
V
CC
1.5 V, V
O
= 0.5 V to V
CC
,
V
I
= GND or V
CC
, OE
= dont care
±100 µA
All typical values are at V
CC
= 3.3 V, T
A
= 25°C.
For I/O ports, the parameters I
OZH
and I
OZL
include the input leakage current.
§
This parameter includes input leakage current.
The bus-hold circuit can sink at least the minimum low sustaining current at V
IL
max. I
BHL
should be measured after lowering V
IN
to GND, then
raising it to V
IL
max.
#
The bus-hold circuit can source at least the minimum high sustaining current at V
IH
min. I
BHH
should be measured after raising V
IN
to V
CC
, then
lowering it to V
IH
min.
||
An external driver must source at least I
BHLO
to switch this node from low to high.
k
An external driver must sink at least I
BHHO
to switch this node from high to low.
h
High-impedance state during power up or power down
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