參數(shù)資料
型號(hào): MT55L256L32FT-12
元件分類(lèi): SRAM
英文描述: 256K X 32 ZBT SRAM, 9 ns, PQFP100
封裝: PLASTIC, TQFP-100
文件頁(yè)數(shù): 21/25頁(yè)
文件大?。?/td> 300K
代理商: MT55L256L32FT-12
5
8Mb: 512K x 18, 256K x 32/36 Flow-Through ZBT SRAM
Micron Technology, Inc., reserves the right to change products or specifications without notice.
MT55L512L18F_C.p65 – Rev. 2/02
2002, Micron Technology, Inc.
8Mb: 512K x 18, 256K x 32/36
FLOW-THROUGH ZBT SRAM
PIN ASSIGNMENT (TOP VIEW)
100-PIN TQFP
SA
NF3
ADV/LD#
OE# (G#)
CKE#
R/W#
CLK
VSS
VDD
CE2#
BWa#
BWb#
NC
CE2
CE#
SA
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
SA
NC
V
DD
Q
V
SS
NC
DQPa
DQa
V
SS
V
DD
Q
DQa
V
SS
V
SS
1
V
DD
ZZ
DQa
V
DD
Q
V
SS
DQa
NC
V
SS
V
DD
Q
NC
SA
DNU
VDD
VSS
DNU
SA0
SA1
SA
MODE
(LBO#)
NC
V
DD
Q
V
SS
NC
DQb
V
SS
V
DD
Q
DQb
V
SS
1
V
DD
V
DD
2
V
SS
DQb
V
DD
Q
V
SS
DQb
DQPb
NC
V
SS
V
DD
Q
NC
x18
SA
NF3
ADV/LD#
OE# (G#)
CKE#
R/W#
CLK
VSS
VDD
CE2#
BWa#
BWb#
BWc#
BWd#
CE2
CE#
SA
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
NF/
DQPb
4
DQb
V
DD
Q
V
SS
DQb
V
SS
V
DD
Q
DQb
V
SS
V
SS
1
V
DD
ZZ
DQa
V
DD
Q
V
SS
DQa
V
SS
V
DD
Q
DQa
NF/
DQPa
4
SA
DNU
VDD
VSS
DNU
SA0
SA1
SA
MODE
(LBO#)
NF/
DQPc
4
DQc
V
DD
Q
V
SS
DQc
V
SS
V
DD
Q
DQc
V
SS
1
V
DD
V
DD
2
V
SS
DQd
V
DD
Q
V
SS
DQd
V
SS
V
DD
Q
DQd
NF/
DQPd
4
x32/x36
NOTE: 1. Pins 14 and 66 do not have to be connected directly to VSS if the input voltage is
≤ VIL.
2. Pins 16 does not have to be connected directly to VDD if the input voltage is
≥ VIH.
3. Pin 84 is reserved for address expansion to 18Mb device.
4. NF for x32 version, DQPx for x36 version.
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