AT49BV161-90TI Atmel, AT49BV161-90TI Datasheet - Page 10

• Manufacturer Part Number: AT49BV161-90TI
• Description: IC FLASH 16MBIT 90NS 48TSOP
• Manufacturer: Atmel

Specifications of AT49BV161-90TI

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 16M (2M x 8 or 1M x 16)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 2.65 V ~ 3.3 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Figure 1. Data Polling Algorithm
(Configuration Register = 00)
Notes:
10
NO
1. VA = Valid address for programming. During a sec-
2. I/O7 should be rechecked even if I/O5 = “1”
Successful, Write
AT49BV/LV160(T)/161(T)
Read I/O7 - I/O0
Read I/O7 - I/O0
Program/Erase
tor 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.
because I/O7 may change simultaneously with
I/O5.
I/O3, I/O5 = 1?
Operation Not
Exit Command
I/O7 = Data?
Product ID
I/O7 = Data?
Addr = VA
Addr = VA
START
NO
YES
NO
YES
YES
Program/Erase
Successful,
Read Mode
Operation
Device in
Figure 2. Data Polling Algorithm
(Configuration Register = 01)
Note:
NO
1. VA = Valid address for programming. During a sec-
Successful, Write
tor 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.
Read I/O7 - I/O0
Program/Erase
I/O3, I/O5 = 1?
Operation Not
Exit Command
Product ID
Addr = VA
I/O7 = 1?
START
YES
YES
Write Product ID
Program/Erase
Exit Command
NO
Successful,
Operation
1427L–FLASH–02/03