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參數(shù)資料
| 型號(hào)： | UPD4482321GF-A65-A |
| 元件分類： | SRAM |
| 英文描述： | 256K X 32 CACHE SRAM, 6.5 ns, PQFP100 |
| 封裝： | 14 X 20 MM, PLASTIC, LQFP-100 |
| 文件頁數(shù)： | 26/28頁 |
| 文件大?。?/td> | 370K |
| 代理商： | UPD4482321GF-A65-A |
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7
PD4482161, 4482181, 4482321, 4482361
Data Sheet M14521EJ3V0DS
Pin Identification (
PD4482321GF, PD4482361GF)
Symbol
Pin No.
Description
A0 to A17
37, 36, 35, 34, 33, 32, 100, 99, 82, 81, 44, Synchronous Address Input
45, 46, 47, 48, 49, 50, 43
I/O1 to I/O32
52, 53, 56, 57, 58, 59, 62, 63, 68, 69, 72,
Synchronous Data In,
73, 74, 75, 78, 79, 2, 3, 6, 7, 8, 9, 12, 13,
Synchronous / Asynchronous Data Out
18, 19, 22, 23, 24, 25, 28, 29
I/OP1, NC
Note
51
Synchronous Data In (Parity),
I/OP2, NC
Note
80
Synchronous / Asynchronous Data Out (Parity)
I/OP3, NC
Note
1
I/OP4, NC
Note
30
/ADV
83
Synchronous Burst Address Advance Input
/AP
84
Synchronous Address Status Processor Input
/AC
85
Synchronous Address Status Controller Input
/CE, CE2, /CE2
98, 97, 92
Synchronous Chip Enable Input
/BW1 to /BW4, /BWE
93, 94, 95, 96, 87
Synchronous Byte Write Enable Input
/GW
88
Synchronous Global Write Input
/G
86
Asynchronous Output Enable Input
CLK
89
Clock Input
MODE
31
Asynchronous Burst Sequence Select Input
Do not change state during normal operation
ZZ
64
Asynchronous Power Down State Input
VDD
15, 41, 65, 91
Power Supply
VSS
17, 40, 67, 90
Ground
VDDQ
4, 11, 20, 27, 54, 61, 70, 77
Output Buffer Power Supply
VSSQ
5, 10, 21, 26, 55, 60, 71, 76
Output Buffer Ground
NC
14, 16, 38, 39, 42, 66
No Connection
Note NC (No Connection) is used in the
PD4482321GF.
I/OP1 to I/OP4 are used in the
PD4482361GF.
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