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PDF TC7MBL3257AFK Data sheet ( Hoja de datos )
| Número de pieza | TC7MBL3257AFK | |
| Descripción | Quad 1-of-2 Multiplexer/Demultiplexer | |
| Fabricantes | Toshiba Semiconductor | |
| Logotipo |  |
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TC7MBL3257AFK
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC7MBL3257AFK
Quad 1-of-2 Multiplexer/Demultiplexer
The TC7MBL3257AFK is high-speed CMOS quad 1-2
multiplexer/demultiplexer. The low on resistance of the switch
allows connections to be made with minimal propagation delay
time.
This device consists of four individual two-inputs
multiplexer/demultiplexer with common select input (S) and
output enable (OE). The A inputs is connected to the B1 or B2
outputs determined by the combination both the select input (S)
and output enable (OE). When the output enable (OE) input is
held “H” level, the switches are open with regardless the state of
select inputs and a high-impedance state exists between the
switches.
All inputs are equipped with protection circuits against static
discharge.
Weight: 0.02 g (typ.)
Features
• Operating voltage: VCC = 2.0~3.6 V
• High speed: tpd = 0.31ns (max.) @ VCC =3.0V
• Low on resistance: RON = 5 Ω (typ.) @ VCC =3.0V
• ESD performance: Machine model ≥ ±200 V
Human body model ≥ ±2000 V
• Package: VSSOP (US16)
• Pin compatible with the 74xx257 type.
www.DataSheet4U.com
Pin Assignment (top view)
S1
1B1 2
1B2 3
1A 4
2B1 5
2B2 6
2A 7
GND 8
16 VCC
15 OE
14 4B1
13 4B2
12 4A
11 3B1
10 3B2
9 3A
1 2007-10-19
1 page  
AC Test Circuit
Output
Switch
Open
2 × VCC
GND
Measure
CL = 50 pF
RL = 500 Ω
TC7MBL3257AFK
Parameter
tpLH, tpHL
tpLZ, tpZL
tpHZ, tpZH
Switch
Open
2 × VCC
GND
AC Waveform
Input
(A, B)
Output
(B, A)
Figure 1
tr 2.5 ns
tf 2.5 ns
90%
50%
10%
tpLH
50%
tpHL
Figure 2 tpLH, tpHL
VCC
GND
VOH
VOL
www.DataSheet4U.com Output Enable
( OE )
Output (A, B)
Low to Off to Low
Output (A, B)
High to Off to High
tr 2.5 ns
tpLZ
tf 2.5 ns
90%
50%
10%
tpZL
tpHZ
10%
90%
tpZH
Outputs
enabled
Outputs
disabled
50%
50%
Outputs
enabled
Figure 3 tpLZ, tpHZ, tpZL, tpZH
VCC
GND
VOH
VOL
VOH
VOL
5 2007-10-19
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet TC7MBL3257AFK.PDF ] | |
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