參數(shù)資料
型號(hào)： SN74CB3Q3244GQNR
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： CB3Q/3VH/3C/2B SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PBGA20
封裝： PLASTIC, VFBGA-20
文件頁(yè)數(shù)： 18/23頁(yè)
文件大?。?/td> 880K
代理商： SN74CB3Q3244GQNR
SN74CB3Q3244
8BIT FET BUS SWITCH
2.5V/3.3V LOW VOLTAGE HIGHBANDWIDTH BUS SWITCH
SCDS154B OCTOBER 2003 REVISED DECEMBER 2004
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC
0.5 V to 4.6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control input voltage range, VIN (see Notes 1 and 2)
0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Switch I/O voltage range, VI/O (see Notes 1, 2, and 3)
0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control input clamp current, IIK (VIN < 0)
50 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I/O port clamp current, II/OK (VI/O < 0)
50 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ON-state switch current, II/O (see Note 4)
±64 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous current through VCC or GND terminals
±100 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance,
θJA (see Note 5): DB package
70
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 5): DBQ package
68
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 5): DGV package
92
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 5): DW package
58
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 5): GQN package
78
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 5): PW package
83
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(see Note 6): RGY package
37
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. All voltages are with respect to ground unless otherwise specified.
2. The input and output voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
3. VI and VO are used to denote specific conditions for VI/O.
4. II and IO are used to denote specific conditions for II/O.
5. The package thermal impedance is calculated in accordance with JESD 51-7.
6. The package thermal impedance is calculated in accordance with JESD 51-5.
recommended operating conditions (see Note 7)
MIN
MAX
UNIT
VCC
Supply voltage
2.3
3.6
V
VIH
High-level control input voltage
VCC = 2.3 V to 2.7 V
1.7
5.5
V
VIH
High-level control input voltage
VCC = 2.7 V to 3.6 V
2
5.5
V
VIL
Low-level control input voltage
VCC = 2.3 V to 2.7 V
0
0.7
V
VIL
Low-level control input voltage
VCC = 2.7 V to 3.6 V
0
0.8
V
VI/O
Data input/output voltage
0
5.5
V
TA
Operating free-air temperature
40
85
°C
NOTE 7: All unused control inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
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