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参数资料
| 型号： | M74HC593TTR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 计数器 |
| 英文描述： | HC/UH SERIES, ASYN POSITIVE EDGE TRIGGERED 8-BIT UP BINARY COUNTER, PDSO20 |
| 封装： | TSSOP-20 |
| 文件页数： | 5/12页 |
| 文件大小： | 248K |
| 代理商： | M74HC593TTR |
M74HC593
2/12
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
X: Don’t Care
RCO = QA’QB’QC’QD’QE’QF’QG’QH’ (QA’ to QH’ : INTERNAL OUTPUTS OF THE COUNTER)
PIN No
SYMBOL
NAME AND FUNCTION
1, 2, 3, 4, 5,
6, 7, 8
A/QA to
H/QH
Binary Outputs
9
CLOAD
Counter Clock Load Input
11
RCO
Ripple Carry Output
12
CCLR
Counter Clear Input
13
CCK
Counter Clock Input
14, 15
CCKEN,
CCKEN
Counter Clock Enable
Inputs
16
RCK
Register Clock Input
17
RCKEN
Register Clock Enable
Input
18, 19
G, G
Output Enable
10
GND
Ground (0V)
20
VCC
Positive Supply Voltage
INPUTS
FUNCTION
GG
CCLR
CCKEN CCKEN
CCK
CLOAD RCKEN
RCK
L
H
XX
X
ALL Q BUS BECOME HIGH Z AND CAN
BE APPLIED ANY DATA
H
X
XX
X
THE OUTPUT DATA OF THE COUNTER
IS ENABLE ON QA THRU QH
X
L
XX
X
L
X
H
X
COUNTER IS CLEARED TO ZERO
X
HXX
X
L
X
THE DATA OF Q BUS IS LOADED INTO
COUNTER
X
HHX
H
X
COUNTER ADVANCES THE COUNT
XX
H
X
L
H
X
HHX
H
X
NO COUNT
XX
H
X
L
H
X
H
L
H
X
H
X
NO COUNT
X
H
X
REGISTER DATA IS NOT CHANGED
X
L
REGISTER DATA IS NOT CHANGED
X
XX
X
L
THE DATAOF Q BUS IS STORED INTO
REGISTER
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相关代理商/技术参数 |
参数描述 |
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| M74HC595B1 | 制造商:STMicroelectronics 功能描述:Shift Register, 16 Pin, Plastic, DIP |
| M74HC595B1N | 制造商:STMicroelectronics 功能描述:Shift Register, 16 Pin, Plastic, DIP |
| M74HC595B1R | 功能描述:计数器移位寄存器 8-Bit Shift Reg/Ltch RoHS:否 制造商:Texas Instruments 计数器类型: 计数顺序:Serial to Serial/Parallel 电路数量:1 封装 / 箱体:SOIC-20 Wide 逻辑系列: 逻辑类型: 输入线路数量:1 输出类型:Open Drain 传播延迟时间:650 ns 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装:Reel |
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| M74HC595M1R | 功能描述:计数器移位寄存器 8-Bit Shift Reg/Ltch RoHS:否 制造商:Texas Instruments 计数器类型: 计数顺序:Serial to Serial/Parallel 电路数量:1 封装 / 箱体:SOIC-20 Wide 逻辑系列: 逻辑类型: 输入线路数量:1 输出类型:Open Drain 传播延迟时间:650 ns 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装:Reel |
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