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PDF TC7MBL3245SFK Data sheet ( Hoja de datos )

Número de pieza TC7MBL3245SFK
Descripción Low Voltage/Low Capacitance Octal Bus Switch
Fabricantes Toshiba Semiconductor 
Logotipo Toshiba Semiconductor Logotipo



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TC7MBL3245SFT/FK/FTG
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC7MBL3245SFT, TC7MBL3245SFK, TC7MBL3245SFTG
Low Voltage/Low Capacitance Octal Bus Switch
The TC7MBL3245S provides eight bits of low- voltage,
high-speed bus switching in a standard ’245 device pinout.
The low ON-resistance of the switch allows connections to be made
with minimal propagation delay and while maintaining CMOS low
power dissipation.
The device comprises a single 8-bit switch. When output enable
( OE ) is low, the switch is on and port A is connected to port B.
When OE is high, the switch is open and a high-impedance state
exists between the two ports.
All inputs are equipped with protection circuits to guard against
static discharge.
Features
Operating voltage: VCC = 1.65 to 3.6 V
Low capacitance: CI/O = 12 pF Switch On (typ.) @3 V
Low on resistance: RON = 9 (typ.) @3 V
ESD performance: Machine model ≥ ±200 V
Human body model ≥ ±2000 V
Power down protection for inputs ( OE input only)
Package: TSSOP20,VSSOP (US20) , VQON20
Pin compatible with the 74xx245 type
TC7MBL3245SFT
TC7MBL3245SFK
TC7MBL3245CFTG
Note: When mounting VQON package, the type of recommended flux
is RA or RMA.
www.DataSheet4U.com
Pin Assignment (top view)
FT (TSSOP20-P-0044-0.65A)
FK (VSSOP20-P-0030-0.50)
NC 1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
A8 9
GND 10
20 VCC
19 OE
18 B1
17 B2
16 B3
15 B4
14 B5
13 B6
12 B7
11 B8
(top view)
NC-No Internal Connection
VQON20-P-0404-0.50
Weight
TSSOP20-P-0044-0.65A
VSSOP20-P-0030-0.50
VQON20-P-0404-0.50
FTG (VQON20-P-0404-0.50)
A2 A1 NC VCC OE
20 19 18 17 16
: 0.08 g (typ.)
: 0.03 g (typ.)
: 0.0145g (typ.)
A3 1
A4 2
A5 3
A6 4
A7 5
15 B1
14 B2
13 B3
12 B4
11 B5
6 7 8 9 10
A8 GND B8 B7 B6
1 2009-01-20

1 page




TC7MBL3245SFK pdf
AC Test Circuit
Output
Switch
Open
2 × VCC
GND
Measure
CL = 50 pF
RL = 500 Ω
TC7MBL3245SFT/FK/FTG
Parameter
tpLH, tpHL
tpLZ, tpZL
tpHZ, tpZH
Switch
Open
2 × VCC
GND
AC Waveform
Output Enable
( OE )
Output (A, B)
Low to Off to Low
Output (A, B)
High to Off to High
www.DataSheet4U.com
Figure 1
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 2 tpLZ, tpHZ, tpZL, tpZH
VCC
GND
VOH
VOL
VOH
VOL
5 2009-01-20

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