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(yè)數(shù)： 24/28頁(yè)
文件大?。?/td> 370K
代理商： UPD4482321GF-A65-A
5
PD4482161, 4482181, 4482321, 4482361
Data Sheet M14521EJ3V0DS
Pin Identification (
PD4482161GF, PD4482181GF)
Symbol
Pin No.
Description
A0 to A18
37, 36, 35, 34, 33, 32, 100, 99, 82,
Synchronous Address Input
81, 44, 45, 46, 47, 48, 49, 50, 43, 80
I/O1 to I/O16
58, 59, 62, 63, 68, 69, 72, 73, 8, 9,
Synchronous Data In,
12, 13, 18, 19, 22, 23
Synchronous / Asynchronous Data Out
I/OP1, NC
Note
74
Synchronous Data In (Parity),
I/OP2, NC
Note
24
Synchronous / Asynchronous Data Out (Parity)
/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, /BW2, /BWE
93, 94, 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
1, 2, 3, 6, 7, 14, 16, 25, 28, 29, 30,
No Connection
38, 39, 42, 51, 52, 53, 56, 57, 66, 75,
78, 79, 95, 96
Note NC (No Connection) is used in the
PD4482161GF.
I/OP1 and I/OP2 are used in the
PD4482181GF.
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