參數(shù)資料
型號： 74CB3T3245DBQRG4
廠商： Texas Instruments
文件頁數(shù)： 17/21頁
文件大?。?/td> 0K
描述： IC 8BIT FET BUS SWITCH 20-QSOP
標(biāo)準(zhǔn)包裝： 2,500
系列： 74CB
類型： FET 總線開關(guān)
電路： 8 x 1:1
獨立電路： 1
電壓電源： 單電源
電源電壓： 2.3 V ~ 3.6 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 20-SSOP（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 20-SSOP/QSOP
包裝： 帶卷 (TR)
SCDS136A – OCTOBER 2003 – REVISED AUGUST 2012
Electrical Characteristics
(1)
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
μA
VI = VCC – 0.7 V to 5.5 V
±20
II
VCC = 3.6 V, Switch ON, VIN = VCC or GND VI = 0.7 V to VCC – 0.7 V
–40
μA
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
μA
Ioff
VCC = 0, VO = 0 to 5.5 V, VI = 0,
10
μA
VI = VCC or GND
40
VCC = 3.6 V, II/O = 0,
ICC
μA
Switch ON or OFF, VIN = VCC or GND
VI = 5.5 V
40
ΔICC
(4)
Control inputs
VCC = 3 V to 3.6 V, One input at VCC – 0.6 V, Other inputs at VCC or GND
300
μA
Cin
Control inputs
VCC = 3.3 V, VIN = VCC or GND
4
pF
Cio(OFF)
VCC = 3.3 V, VI/O = 5.5 V, 3.3 V, or GND, Switch OFF, VIN = VCC or GND
5
pF
VI/O = 5.5 V or 3.3 V
5
Cio(ON)
VCC = 3.3 V, Switch ON, VIN = VCC or GND
pF
VI/O = GND
13
IO = 24 mA
5
8.5
VCC = 2.3 V, TYP at VCC = 2.5 V, VI = 0
IO = 16 mA
5
8.5
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.
Switching Characteristics
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
10.5
1
8
ns
tdis
OE
A or B
1
5.5
1
7.5
ns
(1)
The propagation delay is the calculated RC time constant of the typical ON-state resistance of the switch and the specified load
capacitance, when driven by an ideal voltage source (zero output impedance).
Copyright 2003–2012, Texas Instruments Incorporated
5
Product Folder Links: SN74CB3T3245
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