參數(shù)資料
型號: SN74V3690-15PEU
廠商: Texas Instruments, Inc.
英文描述: 3.3-V CMOS FIRST-IN, FIRST-OUT MEMORIES
中文描述: 的3.3V的CMOS先入先出存儲器
文件頁數(shù): 21/50頁
文件大小: 729K
代理商: SN74V3690-15PEU
SN74V3640, SN74V3650, SN74V3660, SN74V3670, SN74V3680, SN74V3690
1024
×
36, 2048
×
36, 4096
×
36, 8192
×
36, 16384
×
36, 32768
×
36
3.3-V CMOS FIRST-IN, FIRST-OUT MEMORIES
SCAS668A
NOVEMBER 2001
REVISED MARCH 2003
21
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
1st Parallel Offset Write/Read Cycle
Data Inputs/Outputs
D/Q35
D/Q15
D/Q8
D/Q0
EMPTY OFFSET REGISTER (PAE) BIT LOCATIONS
X
X
X
X
X
X
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Noninterspersed Parity
X
X
X
X
X
15
14
13
12
11
10
9
X
8
7
6
5
4
3
2
1
Interspersed Parity
2nd Parallel Offset Write/Read Cycle
Data Inputs/Outputs
D/Q35
D/Q17
D/Q8
D/Q0
FULL OFFSET REGISTER (PAF) BIT LOCATIONS
X
X
X
X
X
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Noninterspersed Parity
X
X
X
X
16
15
14
13
12
11
10
9
X
8
7
6
5
4
3
2
1
Interspersed Parity
×
36 Bus Width
1st Parallel Offset Write/Read Cycle
D/Q17
D/Q15
Data Inputs/Outputs
D/Q0
EMPTY OFFSET (LSB) REGISTER (PAE) BIT LOCATIONS
14
13
12
11
10
9
X
X
X
15
8
7
6
5
4
3
2
1
Noninterspersed Parity
Interspersed Parity
X
15
14
13
12
11
10
9
X
8
7
6
5
4
3
2
1
D/Q8
2nd Parallel Offset Write/Read Cycle
D/Q17
D/Q15
Data Inputs/Outputs
D/Q0
FULL OFFSET (LSB) REGISTER (PAF) BIT LOCATIONS
14
13
12
11
10
X
X
X
15
9
8
7
6
5
4
3
2
1
Noninterspersed Parity
X
15
14
13
12
11
10
9
X
8
7
6
5
4
3
2
1
Interspersed Parity
D/Q8
×
18 Bus Width
Number of bits used:
10 bits for the SN74V3640
11 bits for the SN74V3650
12 bits for the SN74V3660
13 bits for the SN74V3670
14 bits for the SN74V3680
15 bits for the SN74V3690
Note: All unused bits of the
LSB and MSB are don
t care.
Figure 3. Programmable Flag Offset Programming Sequence (Continued)
Figure 1Figure 2
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