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參數(shù)資料
| 型號： | SN75512C |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | VACUUM FLUORESCENT DISPLAY DRIVERS |
| 中文描述： | 真空熒光顯示驅(qū)動器 |
| 文件頁數(shù)： | 2/7頁 |
| 文件大?。?/td> | 88K |
| 代理商： | SN75512C |
SN65512C, SN75512C
VACUUMFLUORESCENT DISPLAY DRIVERS
SLDS054 – D3516, MAY 1990
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
4–2
logic diagram (positive logic)
1D
C1
C2
2D
DATA IN
CLOCK
1D
C1
C2
2D
1D
C1
C2
2D
1D
C1
C2
2D
R11
R12
R2
R1
LC12
LC11
LC2
LC1
Q1
Q2
Q11
Q12
Latches
Shift
Register
SERIAL OUT
STROBE
LATCH
ENABLE
8 Stages
(Q3 thru Q10)
Not Shown
FUNCTION TABLE
CONTROL INPUTS
LATCH
ENABLE
SHIFT REGISTER
R1 THRU R12
LATCHES
LC1 THRU LC12
OUTPUTS
FUNCTION
CLOCK
STROBE
SERIAL
Q1 THRU Q12
Load
↑
X
X
Load and shift
No change
Determined by
ENABLE
R12
Determined by STROBE
No
↑
Latch
X
L
H
X
As determined above
Stored data
New data
R12
Determined by STROBE
Strobe
X
X
H
L
As determined above
Determined by
ENABLE
R12
All L
LC1 thru LC12, respectively
H = high level, L = low level, X = irrelevant,
↑
= low-to-high-level transition
R12 takes on the state of R11, R11 takes on the state of R10, . . . R2 takes on the state of R1, and R1 takes on the state of the data input.
New data enter the latches while LATCH ENABLE is high. These data are stored while LATCH ENABLE is low.
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