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About information presented in this cross reference

The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.

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Logic ICs

Clicking on product's category allows you to see General-Purpose Logic ICs Part Naming Conventions.

CMOS Logic

Example of CMOS Losic

1. Toshiba CMOS family

  • TC: Standard CMOS logic
  • TC74HC, 74HC: High-speed CMOS logic
  • TC74AC: Advanced high-speed CMOS logic
  • TC74VHC, 74VHC: Very-high-speed CMOS logic
  • TC74LVX: Low-voltage CMOS logic
  • TC74LCX, 74LCX: Low-voltage CMOS logic
  • TC74VCX: Low-voltage CMOS logic

2. Circuit configuration or performance class

  • No letter: Normal type
  • U: Unbuffered
  • T: TTL-level input
  • H: Bushold
  • R: Built-in output serial resistor
  • V: Schmitt-trigger inputs
  • 9: Schmitt-trigger inputs and two-sided pin assignment
  • Z , ZA : Hot plugging

3. Product's function (Please refer to our data-book or catalogue for details)

4. Revision code or standardized product

5. Package type

  • P: DIP14/16/20
  • F: SOP14/16/20
  • FS: SSOP24
  • FT: TSSOP14/16/20/48/56
  • FK: US14/16/20
  • FTG: VQON16/20/24
  • D: SOIC14/16/20

One-Gate Logic (L-MOS)

Example of One-Gate Logic (L-MOS)

1. Toshiba CMOS family (group) name

  • TC4S / TC4W: Standard series
  • TC7S / TC7W: High-speed series
  • TC7SH / TC7WH / 7PH: VHS series
  • TC7SET: VHS series (TTL input level)
  • TC7SZ / TC7WZ: SHS series
  • TC7SA / TC7PA: AHS series
  • TC7WT: High-speed series (TTL input level)
  • TC7SG / TC7WG / TC7PG / 7UL1G / 7UL2G / 7UL3G: LVP series
  • 7UL1T / 7UL2T / 7UL3T: LVP series(Level shift type)

* When "U" is attached to the last of a name, it shows that the product is of single buffer type.

2. Product's function (Please refer to catalogue for details.)

3. Improvement category of characteristics

4. Package type

  • F: SSOP5-0.95 (SMV) / SOP8-1.27 (FM8)
  • FU: SSOP5-0.65A (USV) / SSOP6-0.65(US6) / SSOP8-0.65 (SM8)
  • FK: SSOP8-0.50A (US8)
  • FE: SON5-0.50 (ESV) / SON6-0.5(ES6)
  • FS: SON5-0.35 (fSV)
  • FC: CSON8-P-0.4 (CST8)

Level Shifter

Example of Level Shifter

1. TC stands for Toshiba CMOS

2. Product family (group) name

  • 7MP: Low voltage / Low power logic IC (14/16/20/24pin)
  • 7WP: Low voltage / Low power logic IC (8pin)
  • 7SP: Low voltage / Low power logic IC (6pin)

3. Serial number.

  • A serial number that starts with "N": it shows the product is of low-noise type.
  • A serial number that starts with "H": it shows the product has a Bus-hold.
  • Dual supply level shifter: 7MPx3245, 7MPx3125, 7WPx3125, 7SPx3125

4. Improvement category of characteristics

5. Package type.

  • TU: (UF6)
  • FC: CSON8P-0.4 (CST8)
  • FK: VSSOP (US)

Bus Switches

Example of Bus Switches

1. TC stands for Toshiba CMOS.

2. Package type

3. Series name

  • Bxx:Bus Switches / Analog Switches for 5-V System
  • BLxxA:Bus Switches for 3.3-V System(Con:34pF)
  • S:Low Capacitance Bus Switches for 3.3-V System(Con:12pF)
  • BDxxA:5V→3.3V Level Shift Bus Switches
  • Pxx:Dual-Supply Analog Switches
  • PBxx:Dual-Supply Bus Switches

4. Function number

5. Series name

6. Package type

No.2 No.6 Packages
FK US14/16/20
FT TSSOP14/16/20


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