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| 型號(hào)： | SN74CBT162292DGG |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 12-BIT 1-OF-2 FET MULTIPLEXER/DEMULTIPLEXER WITH INTERNAL PULLDOWN RESISTORS |
| 中文描述： | 12位1 - 2場效應(yīng)多路復(fù)用器/內(nèi)部下拉電阻與解復(fù)用器 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大小： | 78K |
| 代理商： | SN74CBT162292DGG |
SN74CBT162292
12-BIT 1-OF-2 FET MULTIPLEXER/DEMULTIPLEXER
WITH INTERNAL PULLDOWN RESISTORS
SCDS052C – MARCH 1998 – REVISED MAY 1998
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
MIN
MAX
UNIT
VCC
VIH
VIL
TA
NOTE 3: 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.
Supply voltage
4
5.5
V
High-level control input voltage
2
V
Low-level control input voltage
0.8
V
°
C
Operating free-air temperature
–40
85
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIK
II
Ioff
ICC
ICC
Ci
Cio
VCC = 4.5 V,
VCC = 5.5 V,
VCC = 0,
VCC = 5.5 V,
VCC = 5.5 V,
VI = 3 V or 0
VCC = 0,
VCC = 4 V,
TYP at VCC = 4 V
II = –18 mA
VI = VCC or GND
VI or VO = 0 to 7 V
IO = 0,
One input at 3.4 V,
–1.2
±
5
10
V
μ
A
μ
A
μ
A
mA
VI = VCC or GND
Other inputs at VCC or GND
3
Control input
2.5
Control input
3.5
pF
VO = 3 V or 0
8
pF
VI = 2.4 V,
II = 15 mA
38
55
ron§
VI= 0
VI = 0
II = 45 mA
II = 30 mA
II = 15 mA
39
63
VCC = 4.5 V
37
37
55
55
VI = 2.4 V,
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 lower of the voltages of the two (A or B) terminals.
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF,
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4 V
VCC = 5 V
±
0.5 V
UNIT
MIN
MAX
MIN
MAX
tpd
ten
tdis
A or B
B or A
1.9
1.85
ns
S
A or B
1
10.7
1
9.5
ns
S
A or B
1
10.9
1
9.7
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).
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF,
(unless otherwise noted) (see Figure 1)
PARAMETER
DESCRIPTION
VCC = 4 V
VCC = 5 V
±
0.5 V
UNIT
MIN
MAX
MIN
MAX
tmbb#
Make-before-break time
0
2
0
2
ns
#The make-before-break time is the time interval between make and break, during the transition from one selected port to the other.
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