參數(shù)資料
型號(hào)： SN74CB3T3306DCTR
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： CB3T/3VT SERIES, DUAL 1-BIT DRIVER, TRUE OUTPUT, PDSO8
封裝： GREEN, PLASTIC, SSOP-8
文件頁(yè)數(shù)： 9/14頁(yè)
文件大?。?/td> 463K
代理商： SN74CB3T3306DCTR
www.ti.com
Electrical Characteristics
(1)
Switching Characteristics
SN74CB3T3306
DUAL FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE BUS SWITCH
WITH 5-V TOLERANT LEVEL SHIFTER
SCDS119A – JANUARY 2003 – REVISED JUNE 2005
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP(2)
MAX
UNIT
VIK
VCC = 3 V, II = –18 mA
–1.2
V
VOH
IIN
Control inputs
VCC = 3.6 V, VIN = 3.6 V to 5.5 V or GND
±10
A
VI = VCC – 0.7 V to 5.5 V
±20
VCC = 3.6 V, Switch ON,
II
VI = 0.7 V to VCC – 0.7 V
–40
A
VIN = VCC or GND
VI = 0 to 0.7 V
±5
IOZ(3)
VCC = 3.6 V, VO = 0 to 5.5 V, VI = 0, Switch OFF, VIN = VCC or GND
±10
A
Ioff
VCC = 0, VO = 0 to 5.5 V, VI = 0
10
A
VI = VCC or GND
20
VCC = 3.6 V, II/O = 0,
ICC
A
Switch ON or OFF, VIN = VCC or GND
VI = 5.5 V
20
VCC = 3 V to 3.6 V, One input at VCC – 0.6 V,
I
CC
(4)
Control inputs
300
A
Other inputs at VCC or GND
Cin
Control inputs
VCC = 3.3 V, VIN = VCC or GND
3
pF
VCC = 3.3 V, VI/O = 5.5 V, 3.3 V, or GND, Switch OFF,
Cio(OFF)
4.5
pF
VIN = VCC or GND
VI/O = 5.5 V or 3.3 V
4
VCC = 3.3 V, Switch ON,
Cio(ON)
pF
VIN = VCC or GND
VI/O = GND
15
IO = 24 mA
5
8
VCC = 2.3 V, TYP at VCC = 2.5 V,
VI = 0
IO = 16 mA
5
8
ron(5)
IO = 64 mA
5
7
VCC = 3 V, VI = 0
IO = 32 mA
5
7
(1)
VIN and IIN refer to control inputs. VI, VO, II, and IO refer to data pins.
(2)
All typical values are at VCC = 3.3 V (unless otherwise noted), TA = 25°C.
(3)
For I/O ports, the parameter IOZ includes the input leakage current.
(4)
This is the increase in supply current for each input that is at the specified TTL voltage level, rather than VCC or GND.
(5)
Measured by the voltage drop between A and B terminals at the indicated current through the switch. ON-state resistance is determined
by the lower of the voltages of the two (A or B) terminals.
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 2)
VCC = 2.5 V
VCC = 3.3 V
FROM
TO
± 0.2 V
± 0.3 V
PARAMETER
UNIT
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
tpd(1)
A or B
B or A
0.15
0.25
ns
ten
OE
A or B
1
8.5
1
6.5
ns
tdis
OE
A or B
1
9
1
9
ns
(1)
The propagation delay is the calculated RC time constant of the typical ON-state resistance of the switch and the specified load
capacitance, when driven by an ideal voltage source (zero output impedance).
4
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