AT49BV802AT-70TU Atmel, AT49BV802AT-70TU Datasheet - Page 10

• Manufacturer Part Number: AT49BV802AT-70TU
• Description: IC FLASH 8MBIT 70NS 48TSOP
• Manufacturer: Atmel

Specifications of AT49BV802AT-70TU

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 8M (1M x 8 or 512K x 16)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 2.65 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 4-1.
Notes:
10
NO
1. VA = Valid address for programming. During a sector
2. I/O7 should be rechecked even if I/O5 = “1” because
AT49BV802A(T)
erase operation, a valid address is any sector
address within the sector being erased. During chip
erase, a valid address is any non-protected sector
address.
I/O7 may change simultaneously with I/O5.
Successful, Write
Read I/O7 - I/O0
Read I/O7 - I/O0
Program/Erase
Operation Not
Exit Command
I/O7 = Data?
Data Polling Algorithm
(Configuration Register = 00)
Product ID
I/O7 = Data?
Addr = VA
Addr = VA
I/O5 = 1?
START
NO
YES
NO
YES
YES
Program/Erase
Read Mode
Successful,
Operation
Device in
Figure 4-2.
Note:
NO
1. VA = Valid address for programming. During a sector
erase operation, a valid address is any sector
address within the sector being erased. During chip
erase, a valid address is any non-protected sector
address.
Successful, Write
Read I/O7 - I/O0
Read I/O7 - I/O0
Read I/O7 - I/O0
Program/Erase
Operation Not
Exit Command
Toggle Bit =
Toggle Bit =
Data Polling Algorithm
(Configuration Register = 01)
Product ID
I/O5 = 1?
Toggle?
Toggle?
START
Twice
YES
YES
YES
NO
NO
ID Exit Command
Program/Erase
Write Product
Successful,
Operation
3405E–FLASH–2/07