TC7MB3244FK_07 TOSHIBA [Toshiba Semiconductor], TC7MB3244FK_07 Datasheet

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TC7MB3244FK_07

Manufacturer Part Number
TC7MB3244FK_07
Description
Octal Bus Switch
Manufacturer
TOSHIBA [Toshiba Semiconductor]
Datasheet
Octal Bus Switch
TTL-compatible bus switching in a standard ’244 device pinout.
The low on resistance of the switch allows connections to be made
with minimal propagation delay.
with separate output-enable (OE) inputs. When OE is low, the
switch is on and data can flow from port A to port B, or vice versa.
When OE is high, the switch is open and a high-impedance state
exists between the two ports.
discharge.
Features
The TC7MB3244FK provides eight bits of high-speed
The device is organized as two 4-bit low-impedance switches
All inputs are equipped with protection circuits against static
Operating voltage: V
High speed: t
Low on resistance: R
ESD performance: Machine model ≥ ±200 V
Compatible with TTL outputs (control inputs)
Package: VSSOP (US20)
Pin compatible with the 74xx244 type.
Functionally equivalent to (FST/CBT) 3244.
pd
= 0.25 ns (max)
Human body model ≥ ±2000 V
CC
ON
Toshiba CMOS Digital Integrated Circuit Silicon Monolithic
= 4.5~5.5 V
= 5 Ω (typ.)
TC7MB3244FK
1
Pin Assignment
GND
1
1A1
2B4
1A2
2B3
1A3
2B2
1A4
2B1
Weight: 0.03 g (typ.)
OE
10
1
2
3
4
5
6
7
8
9
(top view)
TC7MB3244FK
20
19
18
17
16
15
14
13
12
11
2007-10-19
V
2
1B1
2A4
1B2
2A3
1B3
2A2
1B4
2A1
OE
CC

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TC7MB3244FK_07 Summary of contents

Page 1

Toshiba CMOS Digital Integrated Circuit Silicon Monolithic Octal Bus Switch The TC7MB3244FK provides eight bits of high-speed TTL-compatible bus switching in a standard ’244 device pinout. The low on resistance of the switch allows connections to be made with minimal ...

Page 2

Truth Table Inputs Function OE A port = B port L H Disconnect System Diagram 1A1 1A4 1 OE Absolute Maximum Ratings Characteristics Power supply range DC input voltage DC switch voltage Input diode current Continuous channel circuit Power dissipation ...

Page 3

Electrical Characteristics DC Characteristics (Ta = −40~85°C) Characteristics Symbol “H” level V Input voltage “L” level V Input leakage current I Power off leakage current I OFF Off-STATE leakage current I SZ (switch off) ON resistance (Note 2) R Quiescent ...

Page 4

AC Test Circuit Switch Output AC Waveform Input (A, B) Output (B, A) Output Enable ( OE ) Output (A, B) Low to Off to Low Output (A, B) High to Off to High Open 7.0 V Parameter GND t ...

Page 5

Package Dimensions Weight: 0.03 g (typ.) 5 TC7MB3244FK 2007-10-19 ...

Page 6

RESTRICTIONS ON PRODUCT USE • The information contained herein is subject to change without notice. • TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to ...

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