參數(shù)資料
型號(hào)： SN74CBT16861DLRG4
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, DUAL 10-BIT DRIVER, TRUE OUTPUT, PDSO48
封裝： GREEN, PLASTIC, SSOP-48
文件頁(yè)數(shù)： 7/13頁(yè)
文件大小： 402K
代理商： SN74CBT16861DLRG4
SN74CBT16861
20-BIT FET BUS SWITCH
SCDS068C – JULY 1998 – REVISED OCTOBER 2000
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 = 0,
VI = 5.5 V
10
A
II
VCC = 5.5 V,
VI = 5.5 V or GND
±1
A
ICC
VCC = 5.5 V,
IO = 0,
VI = VCC or GND
3
A
ICC
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 = VCC
5.5
pF
§
VCC = 4 V,
TYP at VCC = 4 V
VI = 2.4 V,
II = 15 mA
14
22
ron§
VI =0
II = 64 mA
5
7
on
VCC = 4.5 V
VI = 0
II = 30 mA
5
7
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 B terminals at the indicated current through the switch. On-state resistance is determined by
the lowest voltage of the two (A or B) terminals.
switching characteristics over recommended operating free-air temperature range (unless
otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4 V
VCC = 5 V
± 0.5 V
UNIT
(INPUT)
(OUTPUT)
MIN
MAX
MIN
MAX
tpd
A or B
B or A
0.35
0.25
ns
ten
OE
A or B
2.7
6.3
1.7
6.5
ns
tdis
OE
A or B
1.5
8
1.8
7.1
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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