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参数资料
| 型号： | CBT3251DB |
| 厂商： | NXP Semiconductors N.V. |
| 元件分类： | 编、解码器及复用、解复用 |
| 英文描述： | 1-of-8 FET multiplexer-demultiplexer |
| 中文描述： | 八选一场效应管复用器/解复用器 |
| 封装： | CBT3251D<SOT109-1 (SO16)|<<http://www.nxp.com/packages/SOT109-1.html<1<week 50, 2005,;CBT3251D<SOT109-1 (SO16)|<<http://www.nxp.com/packages/SOT109-1.html<1<week 50 |
| 文件页数： | 12/16页 |
| 文件大小： | 95K |
| 代理商： | CBT3251DB |
CBT3251_1
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 21 December 2005
5 of 16
Philips Semiconductors
CBT3251
1-of-8 FET multiplexer/demultiplexer
9.
Static characteristics
[1]
All typical values are at VCC =5V, Tamb =25 °C.
[2]
This is the increase in supply current for each input that is at the specied TTL voltage level rather than VCC or GND.
[3]
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 lowest voltage of the two (A or B) terminals.
10. Dynamic characteristics
[1]
The propagation delay is the calculated RC time constant of the typical ON-state resistance of the switch and the specied load
capacitance, when driven by an ideal voltage source (zero output impedance).
[2]
Output enable time to HIGH and LOW level.
[3]
Output disable time from HIGH and LOW level.
Table 6:
Static characteristics
Tamb = 40 °C to +85 °C.
Symbol
Parameter
Conditions
Min
Typ [1]
Max
Unit
VIK
input clamping voltage
VCC = 4.5 V; II = 18 mA
-
1.2
V
Vpass
pass voltage
VI =VCC = 5.5 V; IO = 100 mA
3.4
3.6
3.9
V
ILI
input leakage current
VCC = 5.5 V; VI = GND or 5.5 V
-
±1
A
ICC
quiescent supply current
VCC = 5.5 V; IO = 0 mA;
VI = GND or 5.5 V
--3
A
ICC
additional quiescent supply
current
control inputs; VCC = 5.5 V;
one input at 3.4 V;
other inputs at VCC or GND
[2] -
-
2.5
mA
Ci
input capacitance
control pins; VI = 3 V or 0 V
-
3.5
-
pF
Cio(off)
off-state input/output
capacitance
A port; VI =3V or 0V; OE = VCC
-
17.5
-
pF
B port; VI =3V or 0V; OE = VCC
-
4.0
-
pF
Ron
ON-state resistance
VCC = 4 V; typ. at VCC =4V;
VI = 2.4 V; II =15mA
[3] -14
20
VCC = 4.5 V; VI =0V; II =64mA
[3] -5
7
VCC = 4.5 V; VI =0V; II =30mA
[3] -5
7
VCC = 4.5 V; VI = 2.4 V; II =15mA
[3] -10
15
Table 7:
Dynamic characteristics
VCC = +5.0 V ± 0.5 V; Tamb = 40 °C to +85 °C; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
tPD
propagation delay
from input (A or Bn) to output (Bn or A)
[1] -
-
0.25
ns
from input (Sn) to output (A)
2
-
5.5
ns
ten
enable time [2]
from input (Sn) to output (Bn)
1.5
-
5.6
ns
from input (OE) to output (A or Bn)
1.6
-
5.8
ns
tdis
disable time [3]
from input (Sn) to output (Bn)
1.9
-
6.4
ns
from input (OE) to output (A or Bn)
2.3
-
6.2
ns
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