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參數(shù)資料
| 型號： | SN74CB3T16212DGGR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | CB3T/3VT SERIES, 12 2-BIT EXCHANGER, TRUE OUTPUT, PDSO56 |
| 封裝： | GREEN, PLASTIC, TSSOP-56 |
| 文件頁數(shù)： | 11/14頁 |
| 文件大小： | 393K |
| 代理商： | SN74CB3T16212DGGR |
www.ti.com
ELECTRICAL CHARACTERISTICS
(1)
SWITCHING CHARACTERISTICS
SN74CB3T16212
24-BIT FET BUS-EXCHANGE SWITCH, 2.5-V/3.3-V LOW-VOLTAGE BUS SWITCH
WITH 5-V-TOLERANT LEVEL SHIFTER
SCDS157A – OCTOBER 2003 – REVISED FEBRUARY 2005
PARAMETER
TEST CONDITIONS
MIN
TYP(2)
MAX
UNIT
VIK
VCC = 3 V, II = –18 mA
–1.2
V
VOH
See Figures 3 and 4
Control
IIN
VCC = 3.6 V, VIN = 3.6 V to 5.5 V or GND
±10
A
inputs
VI = VCC – 0.7 V to 5.5 V
±20
II
VCC = 3.6 V, VIN = VCC or GND, Switch ON
VI = 0.7 V to VCC – 0.7 V
–40
A
VI = 0 to 0.7 V
±5
IOZ(3)
VCC = 3.6 V, VI = 0, VIN = VCC or GND, VO = 0 to 5.5 V, Switch OFF
±10
A
Ioff
VCC = 0, VI = 0, VO = 0 to 5.5 V
10
A
VI = VCC or GND
70
VCC = 3.6 V, VIN = VCC or GND, II/O = 0,
ICC
A
Switch ON or OFF
VI = 5.5 V
70
Control
I
CC
(4)
VCC = 3 V to 3.6 V, One input at VCC – 0.6 V, Other inputs at VCC or GND
300
A
inputs
Control
Cin
VCC = 3.3 V, VIN = VCC or GND
4
pF
inputs
Cio(OFF)
VCC = 3.3 V, VIN = VCC or GND, VI/O = 5.5 V, 3.3 V, or GND, Switch OFF
9
pF
VI/O = 5.5 V or 3.3 V
8
Cio(ON)
VCC = 3.3 V, VIN = VCC or GND, Switch ON
pF
VI/O = GND
23
IO = 24 mA
5
9.5
VCC = 2.3 V, TYP at VCC = 2.5 V, VI = 0
IO = 16 mA
5
9.5
rON(5)
IO = 64 mA
5
8.5
VCC = 3 V, VI = 0
IO = 32 mA
5
8.5
(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 throught the switch. ON-state resistance is determined
by the lower of the voltages of the two (A or B) terminals.
over 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
tpd(s)
S
A
1
15.5
1
11.5
ns
ten
S
B
1
15
1
12
ns
tdis
S
B
1
12
1
10.5
ns
(1)
The propagation delay is the calculated RC time constant of the typical ON-state resistance of the switch and the specified load
capaitance, when driven by an ideal voltage source (zero output impedance).
6
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