Datasheet
www.ti.com
Electrical Characteristics
SN54GTL16612, SN74GTL16612
18-BIT LVTTL-TO-GTL/GTL+ UNIVERSAL BUS TRANSCEIVERS
SCBS480K – JUNE 1994 – REVISED JULY 2005
over recommended operating free-air temperature range (unless otherwise noted)
SN54GTL16612 SN74GTL16612
PARAMETER TEST CONDITIONS UNIT
MIN TYP
(1)
MAX MIN TYP
(1)
MAX
V
CC
(3.3 V) = 3.15 V,
V
IK
I
I
= –18 mA –1.2 –1.2 V
V
CC
(5 V) = 4.75 V
V
CC
(3.3 V) = 3.15 V to
V
CC
(3.3 V) V
CC
(3.3 V)
3.45 V, I
OH
= –100 µ A
– 0.2 – 0.2
V
CC
(5 V) = 4.75 V to 5.25 V
V
OH
A port V
I
OH
= –8 mA 2.4 2.4
V
CC
(3.3 V) = 3.15 V,
V
CC
(5 V) = 4.75 V
I
OH
= –32 mA 2 2
I
OL
= 100 µ A 0.2 0.2
I
OL
= 16 mA 0.4 0.4
V
CC
(3.3 V) = 3.15 V,
A port
V
CC
(5 V) = 4.75 V
I
OL
= 32 mA 0.5 0.5
V
OL
V
I
OL
= 64 mA 0.6 0.55
V
CC
(3.3 V) = 3.15 V, V
CC
(5 V) = 4.75 V,
B port 0.5 0.4
I
OL
= 40 mA
Control V
CC
(3.3 V) = 0 or 3.45 V,
V
I
= 5.5 V 10 10
inputs V
CC
(5 V) = 0 or 5.25 V
V
I
= 5.5 V 1000 20
V
CC
(3.3 V) = 3.45 V,
A port V
I
= V
CC
(3.3 V) 1 1
I
I
µ A
V
CC
(5 V) = 5.25 V
V
I
= 0 –30 –30
V
I
= V
CC
(3.3 V) 5 5
V
CC
(3.3 V) = 3.45 V,
B port
V
CC
(5 V) = 5.25 V
V
I
= 0 –5 –5
I
off
V
CC
= 0, V
I
or V
O
= 0 to 4.5 V 1000 100 µ A
V
I
= 0.8 V 75 75
V
CC
(3.3 V) = 3.15 V, V
I
= 2 V –75 –75
I
I(hold)
A port µ A
V
CC
(5 V) = 4.75 V
V
I
= 0 to V
CC
± 500 ± 500
(3.3 V)
(2)
A port V
CC
(3.3 V) = 3.45 V, V
CC
(5 V) = 5.25 V, V
O
= 3 V 1 1
I
OZH
µ A
B port V
CC
(3.3 V) = 3.45 V, V
CC
(5 V) = 5.25 V, V
O
= 1.2 V 10 10
A port V
CC
(3.3 V) = 3.45 V, V
CC
(5 V) = 5.25 V, V
O
= 0.5 V –1 –1
I
OZL
µ A
B port V
CC
(3.3 V) = 3.45 V, V
CC
(5 V) = 5.25 V, V
O
= 0.4 V –10 –10
Outputs high 1 1
V
CC
(3.3 V) = 3.45 V,
I
CC
A or B
V
CC
(5 V) = 5.25 V, I
O
= 0, Outputs low 5 5 mA
(3.3 V) port
V
I
= V
CC
(3.3 V) or GND
Outputs disabled 1 1
Outputs high 120 120
V
CC
(3.3 V) = 3.45 V,
I
CC
A or B
V
CC
(5 V) = 5.25 V, I
O
= 0, Outputs low 120 120 mA
(5 V) port
V
I
= V
CC
(3.3 V) or GND
Outputs disabled 120 120
V
CC
(3.3 V) = 3.45 V, V
CC
(5 V) = 5.25 V,
∆ I
CC
(3)
A-port or control inputs at V
CC
(3.3 V) or GND, 1 1 mA
One input at 2.7 V
Control
C
i
V
I
= 3.15 V or 0 3.5 12 3.5 pF
inputs
A port 12 18 12
C
io
V
O
= 3.15 V or 0 pF
B port 10 5
(1) All typical values are at V
CC
(3.3 V) = 3.3 V, V
CC
(5 V) = 5 V, T
A
= 25°C.
(2) This is the bus-hold maximum dynamic current. It is the minimum overdrive current required to switch the input from one state to
another.
(3) This is the increase in supply current for each input that is at the specified TTL voltage level, rather than V
CC
or GND.
5