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参数资料
| 型号： | MT58L512L18FF-7.5IT |
| 元件分类： | SRAM |
| 英文描述： | 512K X 18 CACHE SRAM, 7.5 ns, PBGA165 |
| 封装： | 13 X 15 MM, FBGA-165 |
| 文件页数： | 26/27页 |
| 文件大小： | 417K |
| 代理商： | MT58L512L18FF-7.5IT |
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8
8Mb: 512K x 18, 256K x 32/36 Flow-Through SyncBurst SRAM
Micron Technology, Inc., reserves the right to change products or specifications without notice.
MT58L512L18F_C.p65 – Rev. 2/02
2002, Micron Technology, Inc.
8Mb: 512K x 18, 256K x 32/36
FLOW-THROUGH SYNCBURST SRAM
TQFP PIN DESCRIPTIONS (CONTINUED)
x18
x32/x36
SYMBOL
TYPE
DESCRIPTION
84
ADSP#
Input
Synchronous Address Status Processor: This active LOW input
interrupts any ongoing burst, causing a new external address to be
registered. A READ is performed using the new address,
independent of the byte write enables and ADSC#, but dependent
upon CE#, CE2 and CE2#. ADSP# is ignored if CE# is HIGH. Power-
down state is entered if CE2 is LOW or CE2# is HIGH.
31
MODE
Input
Mode: This input selects the burst sequence. A LOW on this pin
selects “linear burst.” NC or HIGH on this pin selects “interleaved
burst.” Do not alter input state while device is operating.
64
ZZ
Input
Snooze Enable: This active HIGH, asynchronous input causes the
device to enter a low-power standby mode in which all data in the
memory array is retained. When ZZ is active, all other inputs are
ignored.
(a) 58, 59,
(a) 52, 53,
DQa
Input/ SRAM Data I/Os: For the x18 version, Byte “a” is DQa pins; Byte “b”
62, 63, 68, 69, 56-59, 62, 63
Output is DQb pins. For the x32 and x36 versions, Byte “a” is DQa pins;
72, 73
Byte “b” is DQb pins; Byte “c” is DQc pins; Byte “d” is DQd pins.
(b) 8, 9, 12,
(b) 68, 69,
DQb
Input data must meet setup and hold times around the rising edge
13, 18, 19,
72-75, 78, 79
of CLK.
22, 23
(c) 2, 3, 6-9,
DQc
12, 13
(d) 18, 19,
DQd
22-25, 28, 29
74
51
NF/DQPa
NF/
No Function/Parity Data I/Os: On the x32 version, these pins are No
24
80
NF/DQPb
I/O
Function (NF). On the x18 version, Byte “a” parity is DQPa; Byte “b”
–
1
NF/DQPc
parity is DQPb. On the x36 version, Byte “a” parity is DQPa; Byte
–
30
NF/DQPd
“b” parity is DQPb; Byte “c” parity is DQPc; Byte “d” parity is DQPd.
15, 41, 65, 91 15, 41, 65, 91
VDD
Supply Power Supply: See DC Electrical Characteristics and Operating
Conditions for range.
4, 11, 20, 27,
VDDQ
Supply Isolated Output Buffer Supply: See DC Electrical Characteristics and
54, 61, 70, 77 54, 61, 70, 77
Operating Conditions for range.
5, 10, 14, 17,
VSS
Supply Ground: GND.
21, 26, 40, 55, 21, 26, 40, 55,
60, 67, 71,
76, 90
38, 39
DNU
–
Do Not Use: These signals may either be unconnected or wired to
GND to improve package heat dissipation.
1-3, 6, 7, 16,
16, 66
NC
–
No Connect: These signals are not internally connected and may be
25, 28-30,
connected to ground to improve package heat dissipation.
51-53, 56, 57,
66, 75, 78, 79,
95, 96
42
NF
–
No Function: These pins are internally connected to the die and
43 (T Version) 43 (T Version)
have the capacitance of an input pin. It is allowable to leave these
pins unconnected or driven by signals. On the S Version, pin 42 is
reserved as an address upgrade pin for the 16Mb SyncBurst SRAM.
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相关代理商/技术参数 |
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|---|---|
| MT58L512L18FF-8.5 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MT58L512L18FS-10 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Micron Technology Inc 功能描述: |
| MT58L512L18FS-10IT | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel 制造商:Micron Technology Inc 功能描述: |
| MT58L512L18FS-8.5 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MT58L512L18FT-10 | 制造商:Cypress Semiconductor 功能描述:512KX18 SRAM PLASTIC TQFP 3.3V 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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