參數資料
型號： M54HC691C1R
廠商： 意法半導體
英文描述： 16-Bit Edge-Triggered D-Type Flip-Flops With 3-State Outputs 48-SSOP -40 to 85
中文描述： HC691/693 4位二進制計數器/注冊3態(tài)HC690/692十進制計數器/寄存器三態(tài)
文件頁數： 2/23頁
文件大?。?/td> 433K
代理商： M54HC691C1R
counter’s outputsare stored inthe output register at
the positive edge of the register clock (RCK). If the
register clear input (RCLR) is held ”L” the register is
cleared (synchronously
to
register
clock
for
HC692/HC693
HC690/HC691). Allinputsareequipped withprotec-
tion circuits against static discharge and transient
excess voltage.
and
asynchronously
for
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
3 to 6
7, 14
15 to 18
1
SYMBOL
A to D
ENT, ENP
QA to QD
CCLR
NAME AND FUNCTION
Data Inputs
Enable Inputs
Data Outputs
Counter Clear (Active
LOW)
Counter Clock
Counter/ Register Select
Register Clear (Active
LOW)
Register Clock
Ripple Counter Output
Ground (0V)
Positive Supply Voltage
2
CCK
R/C
RCLR
11
8
9
RCK
RCO
GND
V
CC
19
10
20
IEC LOGIC SYMBOLS
HC691
HC692
HC693
HC690
M54/M74HC690/691/692/693
2/23
相關PDF資料
PDF描述
M54HC691F1R HC691/693 4 BIT BINARY COUNTER/REGISTER 3-STATE HC690/692 DECADE COUNTER/REGISTER 3-STATE
M54HC699C1R HC697/699 U/D 4 BIT BINARY COUNTER/REGISTER 3-STATE HC696/698 U/D DECADE COUNTER/REGISTER 3-STATE
M54HC699 Quad Nanopower Push-Pull Comparator 14-TSSOP -40 to 125
M54HC699F1R Quad Nanopower Push-Pull Comparator 14-TSSOP -40 to 125
M54HC699B1R HC697/699 U/D 4 BIT BINARY COUNTER/REGISTER 3-STATE HC696/698 U/D DECADE COUNTER/REGISTER 3-STATE
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M54HCT244K1 制造商:STMicroelectronics 功能描述:
M54HCT245K 制造商:STMicroelectronics 功能描述:LOGIC, 5VOLTSOCTAL BUSOCTAL BUS TRANSCEIVER - 3-STATEFLAT-20 - Bulk
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