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参数资料
| 型号： | SN74CBTR3253DBR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 编、解码器及复用、解复用 |
| 英文描述： | CBT/FST/QS/5C/B SERIES, DUAL 1 LINE TO 4 LINE MULTIPLEXER AND DEMUX/DECODER, TRUE OUTPUT, PDSO16 |
| 封装： | PLASTIC, SSOP-16 |
| 文件页数： | 3/4页 |
| 文件大小： | 279K |
| 代理商： | SN74CBTR3253DBR |
SN74CBTR3253
DUAL 1-OF-4 FET MULTIPLEXER/DEMULTIPLEXER
SCDS081 – JULY 1998
3–37
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
MIN
MAX
UNIT
VCC
Supply voltage
4.5
5.5
V
VIH
High-level control input voltage
2
V
VIL
Low-level control input voltage
0.8
V
TA
Operating free-air temperature
–40
85
°C
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.
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 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
pF
A port
Cio(OFF)
B port
VO = 3 V or 0,
OE = VCC
pF
II = 64 mA
ron§
VCC = 4.5 V
VI = 0
II = 30 mA
on
VI = 2.4 V,
II = 15 mA
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 voltage 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)
MIN
MAX
UNIT
tpd
A or B
B or A
ns
tpd
S
A or B
ns
S
ten
OE
A or B
ns
S
tdis
OE
A or B
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).
PRODUCT
PREVIEW
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