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参数资料
| 型号： | M54HC670 |
| 厂商： | 意法半导体 |
| 英文描述： | 4 word×4 bit register file(3 state)(4字×4位注册文件(3态)) |
| 中文描述： | 4字× 4位寄存器文件（3国）（4字× 4位注册文件（3态）） |
| 文件页数： | 2/12页 |
| 文件大小： | 264K |
| 代理商： | M54HC670 |
LOGIC DIAGRAM
WRITE FUNCTION TABLE
WRITE INPUTS
WB
WA
L
L
H
H
X
Notes:
1 *: DON’T CARE Z: HIGHIMPEDANCE
2 (Q = D)= THEFOUR SELECTINTERNALFLIP FLOP OUTPUTS WILL ASSUMETHE STATESAPPLIED TOTHE FOUR
EXTERNALDATA INPUTS.
3 Q0 = THE LEVELOFQ BEFORETHE INDICATED INPUT CONDITIONS WEREESTABLISHED.
4 W0B1= THEFIRST BITOF WORD0, ETC.
WORDS
1
Q0
Q = D
Q0
Q0
Q0
WE
L
L
L
L
H
0
2
3
L
H
L
H
X
Q = D
Q0
Q0
Q0
Q0
Q0
Q0
Q0
Q0
Q0
Q = D
Q0
Q0
Q = D
Q0
READ FUNCTION TABLE
READ INPUTS
RB
RA
L
L
H
H
X
OUTPUTS
Q1
RE
L
L
L
L
H
Q0
W0B1 W0B2
W1B1 W1B2
W2B1 W2B2
W3B1 W3B2
Z
Q2
Q3
L
H
L
H
X
W0B3 W0B4
W1B3 W1B4
W2B3 W2B4
W3B3 W3B4
Z
Z
Z
M54/M74HC670
2/12
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M54HC688K | 制造商:STMicroelectronics 功能描述:RAD-HARD 8 BIT EQUALITY COMPARATOR - Bulk |
| M54HC688K1 | 制造商:STMicroelectronics 功能描述:IDENTITY COMPARATOR 8BIT 20PIN FPC - Bulk |
| M54HC74K | 制造商:STMicroelectronics 功能描述:LOGIC, 5VOLTSFLIP FLOPDUAL D-TYPE FF + PRESET+CLEARFLAT-14 S - Bulk |
| M54HC86K | 制造商:STMicroelectronics 功能描述: |
| M54HCT244K | 制造商:STMicroelectronics 功能描述:BFFR/LINE DRVR OCTAL NON-INV 3-ST CMOS 20PIN FPC - Bulk 制造商:STMicroelectronics 功能描述:LOGIC, 5VOLTSOCTAL BUFFEROCTAL BUS BUFFER, 3-STATE FLAT-20 - Bulk |
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