Package
The package type of AT27C040-70JU is Plastic Leaded Chip Carrier (PLCC) with a 32-pin configuration.
Manufacturer
The manufacturer of the AT27C040-70JU is Microchip Technology, a leading provider of microcontroller, memory, and analog semiconductors.
Applications
The AT27C040-70JU is commonly used in embedded systems, automotive electronics, industrial control systems, and consumer electronics for firmware storage and code execution. Its non-volatile nature makes it suitable for applications requiring permanent data storage and program execution.
Equivalent
The equivalent products of AT27C040-70JU are:
- AT29C040A
- AT28C040A
- M29W640DB
- MX29LV640EB
These EPROMs have similar specifications, such as capacity (4Mbit), voltage (5V), and access time (around 70ns).
Specifications
| Product Category: |
EPROM |
Mounting Style: |
SMD/SMT |
| Type: |
OTP |
Memory Size: |
4 Mbit |
| Organization: |
512 k x 8 |
Interface Type: |
Parallel |
| Operating Supply Current: |
100 uA |
Programming Voltage: |
13 V |
| Supply Voltage - Max: |
5.5 V |
Supply Voltage - Min: |
4.5 V |
| Minimum Operating Temperature: |
- 40 C |
Maximum Operating Temperature: |
+ 85 C |
| Packaging: |
Tube |
Access Time: |
70 ns |
| Moisture Sensitive: |
Yes |
Operating Supply Voltage: |
5 V |
| Output Enable Access Time: |
30 ns |
Product Type: |
EPROM |
| Factory Pack Quantity: |
32 |
Subcategory: |
Memory & Data Storage |
| Unit Weight: |
0.082118 oz |
feature-organization |
512Kx8 |
| feature-minimum-operating-supply-voltage-v |
4.5 |
feature-maximum-access-time-ns |
70 |
| feature-process-technology |
CMOS |
feature-maximum-operating-supply-voltage-v |
5.5 |
| feature-maximum-operating-current-ma |
30 |
feature-packaging |
Tube |
| feature-rad-hard |
|
feature-pin-count |
32 |
| feature-cecc-qualified |
No |
feature-esd-protection |
Yes |
| feature-escc-qualified |
|
feature-military |
No |
| feature-aec-qualified |
No |
feature-aec-qualified-number |
|
| feature-auto-motive |
No |
feature-p-pap |
No |
| feature-eccn-code |
EAR99 |
feature-svhc |
No |
| feature-svhc-exceeds-threshold |
No |
Package/Case |
PLCC-32
|
AT27C040-70JU FAQs
1.Q: Does the AT27C040-70JU meet any industry certification standards?
A: While the device is EAR99 (export controlled), it doesn't have automotive (AEC-Q) or PPAP certification as it's designed for industrial applications.
2.Q: What is the maximum operating current of AT27C040-70JU?
A: The AT27C040-70JU has a maximum operating current of 30mA during active read operations at 5V supply.
3.Q: What package does the AT27C040-70JU come in?
A: It comes in a 32-pin Plastic Leaded Chip Carrier (PLCC) package with J-Lead configuration, measuring max 14mm x 11.5mm x 2.8mm.
4.Q: What is the programming voltage requirement for AT27C040-70JU?
A: The AT27C040-70JU requires 12.75V to 13.25V programming voltage for memory writes, while normal read operations use 5V supply.
5.Q: What are the recommended operating conditions for the AT27C040-70JU?
A: Recommended conditions: supply voltage 4.5V to 5.5V (typical 5V), programming voltage 12.75V to 13.25V, and industrial temperature range (-40°C to +85°C).
6.Q: What are the absolute maximum ratings for the AT27C040-70JU?
A: Absolute maximum ratings include: supply voltage -0.6V to +7V, input voltage -0.6V to VCC+0.6V, storage temperature -65°C to +150°C, and operating temperature -40°C to +85°C.
7.Q: In what applications is the AT27C040-70JU commonly used?
A: It's typically used in industrial systems, embedded controllers, networking equipment, and other applications requiring non-volatile code storage with fast read access.
8.Q: What are the key features of the AT27C040-70JU?
A: Key features include 4Mbit density (512Kx8 organization), 70ns access time, 5V operating voltage, CMOS technology, parallel interface, and OTP (One-Time Programmable) memory.
9.Q: What is the pinout configuration of the AT27C040-70JU?
A: The AT27C040-70JU comes in a 32-pin PLCC package with J-Lead configuration. Pin functions include address inputs (A0-A18), data I/O (DQ0-DQ7), chip enable (CE#), output enable (OE#), power supply (VCC), and ground (GND).
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