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Microchip Technology AT88SC0404C-MPTG
- Part No.:
- AT88SC0404C-MPTG
- Manufacturer:
- Microchip Technology
- Category:
- Specialized ICs
- Package:
- M2 P, Smart Card Module (TWI)
- Description:
- IC SECURE MEMORY M2 P MOD
- Quantity:
Unit Price:$0
Ext Price:$0
- Payment:
- Shipping:
Product Details
AT88SC0404C-MPTG — 4-Kbit CryptoMemory TWI Module
AT88SC0404C-MPTG from Microchip Technology is a 4-Kbit secure EEPROM in an M2 P smart-card module configured for synchronous two-wire operation only. The exact MPTG order is not the ISO T=0 MP module.
Exact ordering, memory organization, two-wire contacts and electrical limits were checked against the manufacturer's AT88SC0404C summary datasheet.
Overview
The AT88SC0404C contains 512 bytes of user EEPROM divided into four 128-byte zones. Zone-specific access rights and on-chip cryptographic functions support protected storage and host authentication. The MPTG ordering combines the P-style M2 contact module with a two-wire-only interface.
Key Advantages
Four independently controlled 128-byte user zones can separate application data.
Mutual authentication, encrypted checksum and stream encryption protect authorized exchanges.
Synchronous serial access suits embedded readers designed for the TWI contact map.
The MPTG code identifies the square-glob-top M2 P module rather than the J style.
Feature Summary
4 Kbit / 512-byte user space in four 1-Kbit zones.
A 2-Kbit configuration zone, OTP area and key/password area support personalization.
Programmable zone access rights, authentication keys and passwords protect user memory.
Power, ground, clock and bidirectional data are bonded; C2 is not connected.
Package & Footprint
The original catalog package is M2 P, Smart Card Module (TWI), matching the manufacturer's MPTG TWI ordering. The P module has a square glob top; the J module has a round glob top. The exposed metal contact area is listed as 12.6 by 11.4 mm in the summary datasheet; review the excised-module dimensions separately.
- Verify square-glob-top P-module outline and carrier-tape handling.
- Use the TWI contact map with C2 not connected.
- Check the module orientation and final contact dimensions with the manufacturer drawing.
The registered M2 P JPG is unavailable on the production site and must be restored before publication.
Pin Functions
The manufacturer's TWI-module pin-assignment table gives the following contact functions for this MPTG order.
Do not transfer the ISO MP contact map, which bonds C2 to reset, to this MPTG TWI module.
Key Specifications
| Exact order | AT88SC0404C-MPTG |
|---|---|
| Device family | CryptoMemory secure EEPROM |
| User EEPROM | 4 Kbit / 512 bytes |
| User zones | Four 1-Kbit / 128-byte zones |
| Configuration zone | 2 Kbit |
| OTP area | 37 bytes |
| Key/password area | 160 bytes |
| Security functions | Mutual authentication, encrypted checksum and stream encryption |
| Interface | Synchronous two-wire only on this TG order |
| Supply voltage | 2.7 V to 5.5 V |
| Temperature class | Commercial, 0 to +70 degrees C |
| Package | M2 P smart-card module, TWI contact configuration |
Detailed timing and electrical design limits must be checked in the controlled manufacturer documentation.
Replacement Considerations
The MP order is an ISO P module with a reset contact; MJTG uses a J-style TWI module. Neither is an unconditional replacement for MPTG. Compare contact bonding, reader mode, module geometry, memory zoning, security configuration and temperature class before considering another order. No unverified internal replacement link is provided.
Manufacturer Information
The AT88SC0404C was originally documented under the Atmel name and is maintained by Microchip Technology. Microchip identifies the family as a mature product not recommended for new designs; confirm lifecycle and security suitability with the manufacturer for a new program.
Applications
Store protected data in a module connected to a compatible two-wire reader.
Assign separate access rights to logical data zones.
Use mutual authentication as part of a controlled host-device workflow.
Integrate the M2 P contact format where the application uses its TWI configuration.
Quality & Authenticity
Check the exact MPTG order code, module style, lot traceability and personalized security state. Protected storage and cryptographic capabilities do not establish that a delivered module has been correctly provisioned or authenticated.
FAQ
How much user memory is present?
Four 128-byte zones provide 512 bytes of user EEPROM.
Does MPTG support ISO T=0?
No. The manufacturer's ordering table identifies MPTG as the TWI-only M2 P module; MP is the ISO order.
Is C2 a reset contact?
Not on the TWI module. The manufacturer's pin table lists C2 as no-connect for TWI.
Engineering Notice
Confirm the MPTG TWI-only order, C2 no-connect, supply and reader timing, module assembly dimensions and security personalization. The production M2 P JPG is missing; restore and visually verify it before publishing this page.
AT88SC0404C-MPTG Information
- Specifications
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- CryptoMemory®
- Package/Case:
- M2 P, Smart Card Module (TWI)
- Packaging:
- Cut Tape (CT)
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- Secure Memory
- Applications:
- Embedded, Smart Card
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- M2 - P Module (TWI)
- Grade:
- -
- Qualification:
- -
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