AT49BV642D-70TU Atmel, AT49BV642D-70TU Datasheet - Page 9

• Manufacturer Part Number: AT49BV642D-70TU
• Description: IC FLASH 64MBIT 70NS 48TSOP
• Manufacturer: Atmel

Specifications of AT49BV642D-70TU

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 64M (4M x 16)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 3-3.
Note:
3631A–FLASH–04/06
NO
1. The system should recheck the toggle bit even if
I/O5 = “1” because the toggle bit may stop toggling
as I/O5 changes to “1”.
Successful, Write
Read I/O7 - I/O0
Read I/O7 - I/O0
Read I/O7 - I/O0
Program/Erase
I/O3, I/O5 = 1?
Exit Command
Operation Not
Toggle Bit Algorithm
(Configuration Register = 00)
Toggle Bit =
Toggle Bit =
Product ID
Toggle?
Toggle?
START
Twice
YES
YES
YES
NO
NO
Program/Erase
Successful,
Read Mode
Operation
Device in
Figure 3-4.
Note:
NO
1. The system should recheck the toggle bit even if
I/O5 = “1” because the toggle bit may stop toggling
as I/O5 changes to “1”.
Successful, Write
Read I/O7 - I/O0
Read I/O7 - I/O0
Read I/O7 - I/O0
Program/Erase
I/O3, I/O5 = 1?
Exit Command
Operation Not
Toggle Bit =
Toggle Bit =
Product ID
Toggle Bit Algorithm
(Configuration Register = 01)
Toggle?
Toggle?
START
Twice
YES
YES
YES
AT49BV642D(T)
NO
NO
Write Product ID
Program/Erase
Exit Command
Successful,
Operation
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