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
6–10
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range for A and
B ports (unless otherwise noted) (continued)
PARAMETER TEST CONDITIONS MIN TYP
†
MAX UNIT
Outputs high 30
I
CC
V
CC
= 3.45 V, I
O
= 0, V
I
= V
CC
or GND
Outputs low 30
mA
Outputs disabled 30
V
CC
= 3.45 V, I
O
= 0, V
I
= V
CC
or GND,
Outputs enabled
I
CCD
One data input switching at half clock frequency,
50% duty cycle
Outputs disabled
mA
∆I
CC
◊
V
CC
= 3.15 V to 3.45 V, One input at V
CC
– 0.6 V,
Other inputs at V
CC
or GND
750 µA
1A and 2A inputs
C
i
Control inputs
V
I
= 3.15 V or 0 pF
C
o
1Y or 2Y outputs V
O
= 3.15 V or 0 pF
3A port
C
io
Any B port
V
CC
= 3.3 V, V
O
= 3.3 V or 0 pF
†
All typical values are at V
CC
= 3.3 V, T
A
= 25°C.
◊
This is the increase in supply current for each input that is at the specified TTL voltage level rather than V
CC
or GND.
live-insertion specifications over recommended operating free-air temperature range for B port
PARAMETER TEST CONDITIONS MIN TYP
†
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
‡
, BIAS V
CC
= 3.15 V to 3.45 V, I
O(DC)
= 0 10 µA
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
µ
I
O
V
CC
= 0
V
O
= 3 V, BIAS V
CC
= 3.15 V 20 100
µA
†
All typical values are at V
CC
= 3.3 V, T
A
= 25°C.
‡
V
CC
– 0.5 V < BIAS V
CC
PRODUCT PREVIEW