AT49F1604(T)/1614(T)
14
Software Product Identification Entry
(1)
Software Product Identification Exit
(1)(7)
Notes: 1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)
Address Format: A15 - A0 (Hex), A-1, and A15 - A19 (Don’t
Care).
2. A1 - A19 = V
IL
.
Manufacturer Code is read for A0 = V
IL
;
Device Code is read for A0 = V
IH
.
3. The device does not remain in identification mode if
powered down.
4. The device returns to standard operation mode.
5. Manufacturer Code:1FH(x8); 001FH(x16)
6. Device Code:C0H (x8) – AT49F16X4
00C0H (x16) – AT49F16X4
C2H (x8) – AT49F16X4T
00C2H(x16) – AT49F16X4T
7. Either one of the Product ID Exit commands can be used.
Sector Lockout Enable Algorithm
(1)
Notes: 1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)
Address Format: A15 - A0 (Hex), A-1, and A15 - A19 (Don’t
Care).
2. Sector Lockout feature enabled.
LOAD DATA AA
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA 90
TO
ADDRESS 5555
ENTER PRODUCT
IDENTIFICATION
MODE
(2)(3)(5)
LOAD DATA AA
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA F0
TO
ADDRESS 5555
EXIT PRODUCT
IDENTIFICATION
MODE
(4)
OR
LOAD DATA F0
TO
ANY ADDRESS
EXIT PRODUCT
IDENTIFICATION
MODE
(4)
LOAD DATA AA
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA 80
TO
ADDRESS 5555
LOAD DATA AA
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA 40
TO
ADDRESS 5555
PAUSE 200 µs
(2)
