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參數(shù)資料
| 型號： | SN74CBT3126PWR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | CBT/FST/QS/5C/B SERIES, 4-BIT DRIVER, TRUE OUTPUT, PDSO14 |
| 封裝： | PLASTIC, TSSOP-14 |
| 文件頁數(shù)： | 14/20頁 |
| 文件大?。?/td> | 809K |
| 代理商： | SN74CBT3126PWR |
SN74CBT3126
QUADRUPLE FET BUS SWITCH
SCDS020K MAY 1995 REVISED OCTOBER 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = 18 mA
1.2
V
II
VCC = 5.5 V,
VI = 5.5 V or GND
±1
μA
ICC
VCC = 5.5 V,
IO = 0,
VI = VCC or GND
3
μA
ΔICC
Control inputs
VCC = 5.5 V,
One input at 3.4 V,
Other inputs at VCC or GND
2.5
mA
Ci
Control inputs
VI = 3 V or 0
3
pF
Cio(OFF)
VO = 3 V or 0,
OE = GND
4
pF
VCC = 4 V,
TYP at VCC = 4 V,
VI = 2.4 V,
II = 15 mA
16
22
r §
V
0
II = 64 mA
5
7
Ω
ron§
VCC = 4.5 V
VI = 0
II = 30 mA
5
7
Ω
CC
VI = 2.4 V,
II = 15 mA
10
15
All typical values are at VCC = 5 V (unless otherwise noted), TA = 25°C.
This is the increase in supply current for each input that is at the specified TTL voltage level, rather than VCC or GND.
§ Measured by the voltage drop between the A and the 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, CL = 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4 V
VCC = 5 V
± 0.5 V
UNIT
PARAMETER
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
UNIT
tpd
A or B
B or A
0.35
0.25
ns
ten
OE
A or B
5.4
1.6
5.1
ns
tdis
OE
A or B
5
1
4.5
ns
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).
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