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Part: TC7SBD385FU
Category:
Logic
-> Bus Switches
-> 1 Bit Low Voltage
Description: Function = Single Bus Switch With Level Shifting ;; Features = Operating Voltage: VCC = 4.5~5.5 V High Speed Operation: TPD = 0.25 NS (max) ;; Package = Usv
Company: Toshiba America Electronic Components, Inc.
Datasheet: Download TC7SBD385FU datasheet File size : 301 kB
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Datasheet text preview:
TC7SBD385FU
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC7SBD385FU
Single Bus Switch with Level Shifting
The TC7SBD385FU provides single bit of high-speed TTL-compatible switching. The low on resistance of the switch allows connections to be made with minimal propagation delay. The device is organized as just 1-bit low-impedance switch with output-enable (OE) input. When OE is high, the switch is on and data can flow from port A to port B, or vice versa. When OE is low, the switch is open and a high-impedance state exists between the two ports. The internal diode which adds to power supply line is enable to realize the shift of signal level from 5 V to 3.3 V. (Note 1) All inputs are equipped with protection circuits against static discharge.
Weight: 0.006 g (typ.)
Features
· · · · · · Operating voltage: VCC = 4.5~5.5 V High speed operation: tpd = 0.25 ns (max) Low on resistance: RON = 5 (typ.) ESD performance: Machine model > ±200 V Human body model > ±2000 V TTL level input (control input) Package: USV Note 1: In case that over-shoot noise is detected, this device should be used with clamp diode to prevent the next stage device from over-stress.
Pin Assignment (top view)
V CC 5 OE 4
JL
1 A
2 B
3 GND
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2001-12-04
TC7SBD385FU
Truth Table
Input OE L H Function Disconnect A port = B port
System Diagram
A B
OE
Maximum Ratings
Characteristics Power supply range DC input voltage DC switch voltage Input diode current Continuous channel current Power dissipation DC VCC/GND current Storage temperature Symbol V CC VIN VS IIK IS PD ICC/IGND Tstg Rating -0.5~7.0 -0.5~7.0 -0.5~7.0 -50 128 200 ±100 -65~150 Unit V V V mA mA mW mA °C
Recommended Operating Conditions
Characteristics Supply voltage Input voltage Switch voltage Operating temperature Input rise and fall time Symbol V CC VIN VS Topr dt/dv Rating 4.5~5.5 0~5.5 0~5.5 -40~85 0~10 Unit V V V °C ns/V
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TC7SBD385FU
Electrical Characteristics DC Characteristics (Ta = -40~85°C)
Characteristics Input voltage "H" level "L" level High-level output voltage Input leakage current Power off leakage current Off-state leakage current (switch off) ON resistance (Note 3) Symbol VIH VIL VOH IIN IOFF ISZ Figure 4 VIN = 0~5.5 V A, B, OE = 0~5.5 V A, B = 0~5.5 V, OE = GND IIS = 30 mA IIS = 64 mA Test Condition VCC (V) 4.5~5.5 4.5~5.5 4.5~5.5 0 4.5~5.5 4.5 4.5 4.5 5.5 5.5 5.5 Min 2.0 Typ. (Note 2) 5 5 35 Max 0.8 ±1.0 ±1.0 ±1.0 7 7 50 1.5 10 2.5 mA µA mA µA µA µA Unit V
RON
VIS = 0 V
VIS = 2.4 V, IIS = 15 mA I CC ICC VIN = VCC or GND, IOUT = 0 Switch ON Switch OFF (Note 4)
Quiescent supply current
VIN = 3.4 V (one input)
Note 2: Typical values are at VCC = 5 V and Ta = 25°C. Note 3: Measured by the voltage drop between A and B pins at the indicated current through the switch. On resistance is determined by the lower of the voltages on the two (A or B) pins. Note 4: Quiescent supply current at VCC = 3.4 V will be sum of ICC and ICC.
AC Characteristics (Ta = -40~85°C)
Characteristics Propagation delay time (bus to bus) Output enable time Symbol tpLH tpHL tpZL tpZH tpLZ tpHZ Test Condition Figure 1, Figure 2 (Note 5) VCC (V) 4.5 Min Max 0.25 Unit ns
Figure 1, Figure 3
4.5
4.5
ns
Output disable time
Figure 1, Figure 3
4.5
5.0
ns
Note 5: This parameter is guaranteed by design but is not tested. The bus switch contributes no propagation delay other than the RC delay of the typical on resistance of the switch and the 50 pF load capacitance, when driven by an ideal voltage the source (zero output impedance).
Capacitive Characteristics (Ta = 25°C)
Characteristics Control pin input capacitance Switch terminal capacitance Symbol CIN CI/O OE = GND Test Condition (Note 6) (Note 6) VCC (V) 5.0 5.0 Typ. 3 10 Unit pF pF
Note 6: This item is guaranteed by design.
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