SN74AVC16646
16-BIT BUS TRANSCEIVER AND REGISTER
WITH 3-STATE OUTPUTS
www.ti.com
SCES181F–DECEMBER 1998–REVISED JUNE 2005
Electrical Characteristics
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
IOHS = –100 µA
VCC
1.2 V to 3.6 V
1.4 V
MIN TYP(1)
VCC – 0.2
MAX UNIT
IOHS = –2 mA,
IOHS = –4 mA,
IOHS = –8 mA,
IOHS = –12 mA,
IOLS = 100 µA
IOLS = 2 mA,
VIH = 0.91 V
VIH = 1.07 V
VIH = 1.7 V
VIH = 2 V
1.05
1.2
VOH
1.65 V
2.3 V
V
1.75
2.3
3 V
1.2 V to 3.6 V
1.4 V
0.2
0.4
VIL = 0.49 V
VIL = 0.57 V
VIL = 0.7 V
VIL = 0.8 V
VOL
IOLS = 4 mA,
1.65 V
2.3 V
0.45
0.55
0.7
V
IOLS = 8 mA,
IOLS = 12 mA,
VI = VCC or GND
VI or VO = 3.6 V
VO = VCC or GND,
VI = VCC or GND,
3 V
II
Control inputs
3.6 V
±2.5
±10
µA
µA
µA
µA
Ioff
0
(2)
IOZ
ICC
VI = VCC
IO = 0
3.6 V
±12.5
40
3.6 V
2.5 V
3
3
CLK inputs
3.3 V
Ci
VI = VCC or GND
VO = VCC or GND
pF
pF
2.5 V
3.5
3.5
8
Control inputs
A or B ports
3.3 V
2.5 V
Cio
3.3 V
8
(1) Typical values are measured at TA = 25°C.
(2) For I/O ports, the parameter IOZ includes the input leakage current.
Timing Requirements
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 3 through Figure 6)
VCC = 1.5 V
± 0.1 V
VCC = 1.8 V
± 0.15 V
VCC = 2.5 V
± 0.2 V
VCC = 3.3 V
± 0.3 V
VCC = 1.2 V
MIN MAX
UNIT
MIN
MAX
MIN
MAX
150
MIN
MAX
250
MIN
MAX
350
fclock
tw
tsu
th
Clock frequency
MHz
ns
Pulse
CLKAB or CLKBA
3.3
1.2
0.8
2
0.9
0.6
1.4
0.8
0.6
duration
high or low
A before CLKAB↑ or
B before CLKBA↑
Setup time
Hold time
2.1
1.3
1.6
1
ns
ns
A after CLKAB↑ or
B after CLKBA↑
9
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