參數資料
型號: MC74HC161ADTR2G
廠商: ON Semiconductor
文件頁數: 4/15頁
文件大小: 0K
描述: IC COUNTER 4BIT PRESET 16TSSOP
標準包裝: 2,500
系列: 74HC
邏輯類型: 二進制計數器
方向:
元件數: 1
每個元件的位元數: 4
復位: 異步
計時: 同步
計數速率: 167MHz
觸發(fā)器類型: 正邊沿
電源電壓: 2 V ~ 6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: 16-TSSOP
包裝: 帶卷 (TR)
MC74HC161A, MC74HC163A
http://onsemi.com
12
INPUTS
OUTPUTS
TO MORE
LOAD
H = COUNT
L = DISABLE
H = COUNT
L = DISABLE
RESET
CLOCK
LOAD P0 P1 P2 P3
ENABLE P
ENABLE T
CLOCK
RQ0 Q1 Q2 Q3
RIPPLE
CARRY
OUT
LOAD
RESET
CLOCK
ENABLE P
ENABLE T
TYPICAL APPLICATIONS CASCADING
NOTE: When used in these cascaded configurations the clock fmax guaranteed limits may not apply. Actual performance will
depend on number of stages. This limitation is due to set up times between Enable (Port) and Clock.
OUTPUTS
Figure 14. NBit Synchronous Counters
Figure 15. Nibble Ripple Counter
SIGNIFICANT
STAGES
INPUTS
LOAD P0 P1 P2 P3
ENABLE P
ENABLE T
CLOCK
RQ0 Q1 Q2 Q3
RIPPLE
CARRY
OUT
LOAD P0 P1 P2 P3
ENABLE P
ENABLE T
CLOCK
RQ0 Q1 Q2 Q3
RIPPLE
CARRY
OUT
LOAD P0 P1 P2 P3
ENABLE P
ENABLE T
CLOCK
RQ0 Q1 Q2 Q3
RIPPLE
CARRY
OUT
LOAD P0 P1 P2 P3
ENABLE P
ENABLE T
CLOCK
RQ0 Q1 Q2 Q3
RIPPLE
CARRY
OUT
LOAD P0 P1 P2 P3
ENABLE P
ENABLE T
CLOCK
RQ0 Q1 Q2 Q3
RIPPLE
CARRY
OUT
TO MORE
SIGNIFICANT
STAGES
INPUTS
OUTPUTS
INPUTS
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