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Microchip Technology AT88SC0404CA-TH-T
- Part No.:
- AT88SC0404CA-TH-T
- Manufacturer:
- Microchip Technology
- Category:
- Specialized ICs
- Package:
- 8-TSSOP (0.173", 4.40mm Width)
- Description:
- IC SECURE MEMORY 8TSSOP
- Quantity:
Unit Price:$0
Ext Price:$0
- Payment:
- Shipping:
Product Details
AT88SC0404CA-TH-T - 4-Kbit CryptoMemory IC
Microchip Technology AT88SC0404CA-TH-T is a secure serial EEPROM with four user-memory zones, a synchronous two-wire interface, and an 8-lead TSSOP package.
The exact -TH-T ordering suffix, 8X package, and technical values were checked against the manufacturer's AT88SC0404CA summary datasheet.
Overview
The AT88SC0404CA is a CryptoMemory device with 4 Kbits of user EEPROM organized into four 1-Kbit (128-byte) zones. Each zone can have separately configured access rights. The device also provides manufacturer-documented authentication and cryptographic data-protection functions. The -TH-T ordering code specifies the 8X TSSOP package in tape and reel.
Key Advantages
Four memory zones
Four 128-byte user zones allow application data to be separated under individual access policies.
Protected transactions
Authentication and cryptographic functions support controlled access when correctly configured by the host.
Two-wire connection
The 8X package exposes serial data and clock for embedded-host communication.
Compact package
The manufacturer lists the -TH-T variant in an 8-lead, 4.4 mm-body TSSOP.
Feature Summary
Nonvolatile storage
4-Kbit user EEPROM and a separate 2-Kbit configuration zone.
Security controls
Programmable zone access rights, mutual authentication, MAC, and stream encryption are described by the manufacturer.
Embedded interface
Synchronous two-wire serial interface with up to 1.0 MHz compatibility under applicable operating conditions.
Specified environment
The exact -TH-T ordering entry lists 2.7-5.5 V and an industrial -40 to +85 °C operating range.
Package & Footprint
The database registers an 8-TSSOP (0.173 in, 4.40 mm width) package. The manufacturer ordering table maps AT88SC0404CA-TH-T to 8X, an 8-lead TSSOP with a 4.4 mm nominal body width, supplied in tape and reel. Use the current 8X mechanical drawing to establish the land pattern and orientation.
- Follow the 8X TSSOP pin map rather than the SOIC/PDIP map.
- Verify body, leads, pitch, and pin-1 orientation using the controlled drawing.
- Review assembly tolerances before releasing the board.
The package JPG is pending upload to this site; use the manufacturer mechanical drawing until the image has been verified online.
Pin Functions
The manufacturer's TSSOP column in the pin-assignment table identifies:
Confirm pin-1 orientation on the package drawing. The SOIC/PDIP pin assignment does not apply to this TSSOP ordering suffix.
Key Specifications
| Exact ordering code | AT88SC0404CA-TH-T |
|---|---|
| Manufacturer | Microchip Technology / Atmel CryptoMemory |
| User EEPROM | 4 Kbits (512 bytes) |
| User zones | 4 × 1 Kbit (128 bytes each) |
| Configuration zone | 2 Kbits |
| Host interface | Synchronous two-wire serial |
| Interface clock | Up to 1.0 MHz compatibility, subject to datasheet conditions |
| Ordering voltage range | 2.7-5.5 V for the listed -TH-T variant |
| Ordering temperature range | -40 to +85 °C |
| Package code | 8X, 8-lead TSSOP, 4.4 mm nominal body width |
| Delivery form | Tape and reel |
| Security functions | Mutual authentication, MAC, and stream encryption as documented by the manufacturer |
Selection values are drawn from the manufacturer summary and exact ordering row. Consult the full controlled specification for electrical limits, command behavior, and security configuration.
Replacement Considerations
Other AT88SC CryptoMemory members have different user-memory capacities or zone organization. A different package suffix can also change footprint, pin assignment, and delivery form. Before considering any replacement, compare the exact manufacturer ordering code, 8X pinout, operating ranges, command behavior, security personalization, and board layout. No family member is asserted to be a drop-in replacement, and no unverified catalog link is provided.
Manufacturer Information
Microchip Technology hosts the Atmel AT88SC0404CA CryptoMemory summary datasheet. Its ordering table explicitly lists AT88SC0404CA-TH-T as 8X TSSOP, tape and reel. Use the latest manufacturer-controlled electrical, package, and programming documentation for the final design.
Applications
Authenticated modules
Controlled identification in embedded modules whose host implements the documented authentication sequence.
Secure configuration
Zone-based storage of configuration data with planned access policies.
Industrial accessories
Small protected data sets in systems within the specified voltage and temperature range.
Embedded credentials
Host-managed credential storage after a threat-model and personalization review.
Quality & Authenticity
Check the complete AT88SC0404CA-TH-T marking, package form, pin-1 orientation, and traceability records against the purchase documentation. Electrical operation alone does not establish authenticity or the programmed security state. Define incoming inspection and personalization controls suitable for the application.
FAQ
How is user memory organized?
The 4-Kbit user EEPROM is divided into four 128-byte zones.
What does -TH-T identify?
It is the manufacturer ordering code for the 8X TSSOP variant supplied in tape and reel.
Can the SOIC layout be reused?
No. The TSSOP pin map differs from the SOIC/PDIP map; verify the 8X drawing and pin table.
Engineering Notice
This page is a selection aid, not a substitute for the manufacturer datasheets. Confirm the 8X dimensions and pinout, serial timing, voltage limits, security configuration, and programming procedure before production. The package JPG is not yet available on the production site and must be checked before publication.
AT88SC0404CA-TH-T Information
- Specifications
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- CryptoMemory®
- Package/Case:
- 8-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Type:
- Secure Memory
- Applications:
- Embedded, Smart Card
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-TSSOP
- Grade:
- -
- Qualification:
- -
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