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M48T35AV-10PC1

In Stock: 6,607

3.3 V, 256 Kbit (32 Kbit x 8) TIMEKEEPER® SRAM

Manufacturers:
STMicroelectronics, Inc
Mfr.Part#:
M48T35AV-10PC1
Datasheet:
M48T35AV-10PC1 Datasheet (PDF)
Package/Case:
DIP-28
Product Type:
Clock & Timer ICs
RoHS:
Lifecycle:
Active
EDA/CAD Models:
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M48T35AV-10PC1 Information

Description

The M48T35AV-10PC1 is a 256KB x 8 non-volatile static RAM (NVRAM) from STMicroelectronics. It features a 10-year minimum data retention in the absence of external power, making it suitable for applications requiring reliable timekeeping and data storage. The device offers byte-wide access and an automatic power-fail chip deselect function. Its integrated design simplifies implementation, making it suitable for embedded systems where reliable timekeeping and data storage are essential. Common applications include industrial automation systems, medical devices, telecommunications equipment, and automotive electronics.

Features

The M48T35AV-10PC1 features:

256KB x 8 non-volatile static RAM with integrated battery
10-year minimum data retention in the absence of external power
Byte-wide access
Automatic power-fail chip deselect function

It is commonly used in applications requiring non-volatile memory and real-time clock functions, such as industrial automation systems, medical devices, telecommunications equipment, and automotive electronics.

Package

The package type of M48T35AV-10PC1 is PCDIP-28.

Pinout

The M48T35AV-10PC1 has a pin count of 28 (PCDIP-28). The functions of each pin are:

VCC: Power supply
GND: Ground
RST: Reset input
CE: Chip enable input
OE: Output enable input
WE: Write enable input
A0-A27: Address inputs

The M48T35AV-10PC1 is a 256K x 8 non-volatile static RAM with integrated battery, designed for applications requiring non-volatile memory and real-time clock functions.

Manufacturer

The manufacturer of the M48T35AV-10PC1 is STMicroelectronics, a leading global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products.

Applications

The M48T35AV-10PC1 is commonly used in industrial automation systems, medical devices, telecommunications equipment, and automotive electronics where reliable timekeeping and data storage are essential. Its integrated design simplifies implementation, making it suitable for a range of embedded systems.

Equivalent

The equivalent products of M48T35AV-10PC1 are:

Texas Instruments' DS12887A
Micron's M29W640DB
Macronix's MX29LV640D
Winbond's W29GL064C

These products offer similar features and functions, including non-volatile memory, real-time clock capabilities, and industrial-grade reliability.

Specifications

feature-maximum-operating-supply-voltage-v	3.6	feature-minimum-operating-supply-voltage-v	3
feature-packaging	Tube	feature-rad-hard
feature-pin-count	28	feature-cecc-qualified	No
feature-esd-protection		feature-escc-qualified
feature-military	No	feature-aec-qualified	No
feature-auto-motive	No	feature-p-pap	No
feature-eccn-code	EAR99	feature-svhc
feature-svhc-exceeds-threshold	No	Package/Case	DIP-28

M48T35AV-10PC1 FAQs

1.Q: How does the STMicroelectronics NVRAM Timekeeper IC handle battery backup?

A: It integrates non-volatile RAM with a timekeeper circuit, retaining data and clock during power loss via an external backup battery (not included).

2.Q: What is the ECCN classification for the STMicroelectronics NVRAM Timekeeper IC?

A: It is classified under EAR99, indicating no export restrictions under standard commercial use.

3.Q: What package options are available for the STMicroelectronics NVRAM Timekeeper IC?

A: It comes in a through-hole PCDIP-28 package (39.88mm × 18.34mm × 8.89mm max dimensions).

4.Q: Does the STMicroelectronics NVRAM Timekeeper IC meet automotive standards?

A: No, it is not automotive-grade (PPAP/AEC-Q100 non-compliant) and is designed for commercial/industrial use (0°C to 70°C).

5.Q: What is the maximum power dissipation of the STMicroelectronics NVRAM Timekeeper IC?

A: The IC dissipates up to 1000mW (1W) under maximum operating conditions.

6.Q: What are typical applications for the STMicroelectronics NVRAM Timekeeper IC?

A: Used in industrial automation, embedded systems, medical devices, and servers for timekeeping, event logging, and battery-backed RAM storage.

7.Q: What are the recommended operating conditions for the STMicroelectronics NVRAM Timekeeper IC?

A: Operate at 3V–3.6V (3.3V typical), 0°C to 70°C ambient temperature, with a maximum access time of 100ns.

8.Q: What is the pinout configuration of the STMicroelectronics NVRAM Timekeeper IC in DIP-28?

A: The 28-pin DIP package follows a parallel bus interface layout, with pins dedicated to VCC, GND, data I/O, address lines, and control signals (e.g., CE, OE). Refer to the datasheet for the exact pinout diagram.

9.Q: What are the key features of the STMicroelectronics NVRAM Timekeeper IC?

A: Key features include 256KB NV RAM, battery backup, parallel interface, HH:MM:SS clock & YY-MM-DD-dd date formats, 3V–3.6V supply, and integrated watchdog timer.

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Ratings and Reviews

B

B**n
12/13/2022

16

Tested and it's working.Good product
L

L**y
01/29/2022

4

Delivery less than a month. The shutter capacity is less than the datasheet. In the work showed themselves normal.
J

J**b
03/05/2021

15

It can power my 1 bay NAS (QNAP), good!
J

J**n
02/11/2021

13

Thanks seller. As described. Well build, high quality soldering.... fast shipping. Super item... fast shipping. I am verry happy. Regards Rik from Holland.

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