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參數(shù)資料
| 型號： | CD74HCT193M |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | LM8333 Mobile I/O Companion Supporting Key-Scan, I/O Expansion, PWM, and ACCESS.bus Host Interface; Package: LLP; No of Pins: 32 |
| 中文描述： | 高速CMOS邏輯預置同步4位向上/向下計數(shù)器 |
| 文件頁數(shù)： | 10/11頁 |
| 文件大?。?/td> | 67K |
| 代理商： | CD74HCT193M |
10
FIGURE 7. SET-UP AND HOLD TIMES DATA TO PARALLEL LOAD (PL)
FIGURE 8. CASCADED UP/DOWN COUNTER WITH PARALLEL LOAD
NOTE: Illegal states in BCD counters corrected in one count.
NOTE: Illegal states in BCD counters corrected in one or two counts.
FIGURE 9. CD74HC192, CD74HCT193 STATE DIAGRAMS
Test Circuits and Waveforms
(Continued)
INPUT LEVEL
INPUT LEVEL
Q = p
V
S
t
H
t
SU
(L)
V
S
Q = p
Q
n
PL
Pn
t
SU
(H)
V
S
t
H
P0 P1 P2 P3
CPU
CPD
PL
TCU
TCD
MR
Q
0
Q
1
Q
2
Q
3
UP CLOCK
DOWN CLOCK
ASYNCHRONOUS,
PARALLEL LOAD
RESET
OUTPUT
CARRY
BORROW
DATA INPUT
P0 P1 P2 P3
CPU
CPD
PL
TCU
TCD
MR
Q
0
Q
1
Q
2
Q
3
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
0
COUNT UP
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
0
COUNT DOWN
CD74HC192, CD74HC193, CD74HCT193
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CD74HCT194E | 功能描述:計數(shù)器移位寄存器 High Speed CMOS 4-Bit Shift Register RoHS:否 制造商:Texas Instruments 計數(shù)器類型: 計數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| CD74HCT194EE4 | 功能描述:計數(shù)器移位寄存器 High Speed CMOS 4-Bit Shift Register RoHS:否 制造商:Texas Instruments 計數(shù)器類型: 計數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
| CD74HCT195E | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CD74HCT20E | 功能描述:邏輯門 Hi-Speed CMOS Logic Dual 4-Inp NAND Gate RoHS:否 制造商:Texas Instruments 產(chǎn)品:OR 邏輯系列:LVC 柵極數(shù)量:2 線路數(shù)量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
| CD74HCT20EE4 | 功能描述:邏輯門 Hi-Speed CMOS Logic Dual 4-Inp NAND Gate RoHS:否 制造商:Texas Instruments 產(chǎn)品:OR 邏輯系列:LVC 柵極數(shù)量:2 線路數(shù)量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
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