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參數(shù)資料
| 型號： | K5A3240YT |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | Multi-Chip Package MEMORY 32M Bit (4Mx8/2Mx16) Dual Bank NOR Flash Memory / 4M(512Kx8/256Kx16) Full CMOS SRAM |
| 中文描述： | 多芯片封裝存儲器32兆位（4Mx8/2Mx16）雙銀行NOR閃存/分（512Kx8/256Kx16）全CMOS SRAM的 |
| 文件頁數(shù)： | 45/45頁 |
| 文件大?。?/td> | 867K |
| 代理商： | K5A3240YT |
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MCP MEMORY
K5A3x40YT(B)C
Revision 0.0
November 2002
- 9 -
Preliminary
NOTES:
1. RA : Read Address, PA : Program Address, RD : Read Data, PD : Program Data
DA : Dual Bank Address (A19 - A20), BA : Block Address (A12 - A20), X = Don’t care .
2. To terminate the Autoselect Mode, it is necessary to write Reset command to the register.
3. The 4th cycle data of Autoselect mode is output data.
The 3rd and 4th cycle bank addresses of Autoselect mode must be same.
4. The Read / Program operations at non-erasing blocks and the autoselect mode are allowed in the Erase Suspend mode.
5. The Erase Suspend command is applicable only to the Block Erase operation.
6. DQ8 - DQ15 are don’t care in command sequence, except for RD and PD.
7. A11 - A20 are also don’t care, except for the case of special notice.
Table 6. Flash Memory Autoselect Codes
Description
DQ8 to DQ15
DQ7 to DQ0
BYTEF = VIH
BYTEF = VIL
Manufacturer ID
X
ECH
Device Code K5A3240YT (Top Boot Block)
22H
X
A0H
Device Code K5A3240YB (Bottom Boot Block)
22H
X
A2H
Device Code K5A3340YT (Top Boot Block)
22H
X
A1H
Device Code K5A3340YB (Bottom Boot Block)
22H
X
A3H
Block Protection Verification
X
01H (Protected),
00H (Unprotected)
Secode Block Indicator Bit (DQ7)
X
80H (Factory locked),
00H (Not factory locked)
Table 7. Flash Memory Operation Table
NOTES:
1. L = VIL (Low), H = VIH (High), VID = 8.5V~12.5V, DIN = Data in, DOUT = Data out, X = Don't care.
2. WP/ACC and RESET ball are asserted at VccF±0.3 V or Vss±0.3 V in the Stand-by mode.
3. Addresses must be composed of the Block address (A12 - A20).
The Block Protect and Unprotect operations may be implemented via programming equipment too.
Refer to the "Block Group Protection and Unprotection".
4. If WP/ACC=VIL, the two outermost boot blocks is protected. If WP/ACC=VIH, the two outermost boot block protection depends on whether those
blocks were last protected or unprotected using the method described in "Block Group Protection and Unprotection". If WP/ACC=VHH, all blocks
will be temporarily unprotected.
Operation
CEF
OE
WE
BYTEF
WP/
ACC
A9
A6
A1
A0
DQ15/
A-1
DQ8/
DQ14
DQ0/
DQ7
RESET
Read
word
L
H
L/H
A9
A6
A1
A0
DQ15
DOUT
H
byte
L
H
L
A9
A6
A1
A0
A-1
High-Z
DOUT
H
Stand-by
VccF ±
0.3V
X
(2)
X
High-Z
(2)
Output Disable
L
H
X
L/H
X
High-Z
H
Reset
X
L/H
X
High-Z
L
Write
word
L
H
L
H
(4)
A9
A6
A1
A0
DIN
H
byte
L
H
L
A9
A6
A1
A0
A-1
High-Z
DIN
H
Enable Block Group
Protect (3)
L
H
L
X
L/H
X
L
H
L
X
DIN
VID
Enable Block Group
Unprotect (3)
L
H
L
X
(4)
X
H
L
X
DIN
VID
Temporary Block
Group
X
(4)
X
VID
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