74HC(T)160：可预置同步BCD十进制计数器；异步复位

74HC/HCT160是高速硅栅CMOS器件，与低功耗肖特基TTL (LSTTL)针脚兼容。该类器件的规格符合JEDEC标准no. 7A。

74HC/HCT160是同步可预设十进制计数器，具有内部前视进位且可用于高速计数。

通过在时钟(CP)的正边沿上同步所有触发器时钟提供同步操作。

计数器的输出（Q0至Q3）可预设为高电平或低电平。并行使能输入(PE)处的低电平可禁用计数操作并使数据输入（D0至D3）上的数据加载到时钟正边沿上的计数器中（只要符合PE的设置和保持时间要求）。无论计数使能输入（CEP和CET）上的电平如何都会发生预设。

主复位输入(MR)处的低电平会将所有四个触发器（Q0至Q3）输出设置为低电平，而无论CP、PE、CET和CEP输入上的电平如何（从而提供了异步清零功能）。

前视进位可简化计数器的串行级联。两个计数使能输入（CEP和CET）必须为高电平才能进行计数。CET输入经前馈后可使能终端计数输出(TC)。因此而被使能的TC输出会产生一个高电平输出脉冲，其持续时间约等于Q0的高电平输出。该脉冲可用于使能下一个级联级。

级联计数器的最大时钟频率由CP至TC的传播延迟和CEP至CP的设置时间确定，计算公式如下：

fmax= (1) / (tP (max)（CP至TC） + tSU（CEP至CP） )

特性和优势
    • 同步计数和加载
    • 可实现n位级联的两个计数使能输入
    • 正沿触发的时钟
    • 异步重置
    • 输出能力：标准
    • ICC类别：MSI
应用
    • 电视机
    • 家庭音响
    • 多媒体系统
    • 所有市电馈电音频系统
    • 车载音频（增强器）
产品图片
关键参数
型号Product statusVCC (V)Output drive capability (mA)Logic switching levelstpd (ns)fmax (MHz)Power dissipation considerationsTamb (Cel)Rth(j-a) (K/W)Ψth(j-top) (K/W)Rth(j-c) (K/W)Package name
74HC160DProduction2.0 - 6.0+/- 5.2CMOS1855low-40~125601.017SO16
74HC160DBProduction2.0 - 6.0+/- 5.2CMOS1855low-40~12514842.0SSOP16
74HC160PWProduction2.0 - 6.0+/- 5.2CMOS1855low-40~125961.021TSSOP16
封装与包装
型号封装Outline versionReflow-/Wave soldering包装产品状态标示可订购的器件编号, (订购码 (12NC))
74HC160D
SO16
(SOT109-1)		sot109-1_poSO-SOJ-REFLOW
SO-SOJ-WAVE		Reel 13" Q1/T1 CECC量产74HC160D74HC160D,653( 9337 145 10653 )
Bulk Pack, CECC量产74HC160D74HC160D,652( 9337 145 10652 )
74HC160DB
SSOP16
(SOT338-1)		sot338-1_poSSOP-TSSOP-VSO-REFLOW
SSOP-TSSOP-VSO-WAVE		Reel 13" Q1/T1量产HC16074HC160DB,118( 9351 896 80118 )
Bulk Pack量产HC16074HC160DB,112( 9351 896 80112 )
74HC160PW
TSSOP16
(SOT403-1)		sot403-1_posot403-1_fr
SSOP-TSSOP-VSO-WAVE		Reel 13" Q1/T1量产HC16074HC160PW,118( 9352 624 37118 )
Bulk Pack量产HC16074HC160PW,112( 9352 624 37112 )
无铅环保信息
型号可订购的器件编号RoHS / RHF无铅转换日期EFRIFR (FIT)MTBF（小时）潮湿敏感度等级MSL LF
74HC160D74HC160D,653week 4, 200484.96.621.51E811
74HC160D74HC160D,652week 4, 200484.96.621.51E811
74HC160DB74HC160DB,118week 17, 200584.96.621.51E811
74HC160DB74HC160DB,112week 17, 200584.96.621.51E811
74HC160PW74HC160PW,118week 10, 200584.96.621.51E811
74HC160PW74HC160PW,112week 10, 200584.96.621.51E811
文档资料
档案名称标题类型格式日期
74HC_HCT160_CNV (中文)Presettable synchronous BCD decade counter; asynchronous resetData sheetpdf1990-12-01
AN11044Pin FMEA 74HC/74HCT familyApplication notepdf2011-03-16
75017511Voltage translation: How to manage mixed-voltage designs with NXP level translatorsBrochurepdf2014-05-20
75017285Logic selection guide 2015Selection guidepdf2015-01-08
HCT_USER_GUIDEHC/T User GuideUser manualpdf1997-11-01
sot338-1_poplastic shrink small outline package; 16 leads; body width 5.3 mmOutline drawingpdf2009-10-08
SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave solderingpdf2009-10-08
SSOP-TSSOP-VSO-REFLOWFootprint for reflow solderingReflow solderingpdf2009-10-08
SOT403-1_623TSSOP16; Reel pack; SMD, 13"; Q1 Standard product orientation; Orderable part number ending, 623 or HL; Ordering code (12NC) ending 623Packingpdf2013-05-15
SOT403-1_118TSSOP16; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118Packingpdf2013-04-08
SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave solderingpdf2009-10-08
SOT403-1_128TSSOP16; Reel pack; SMD, 13", Turned Q4/T2 180 deg product orientation Orderable part number ending ,128 or HP Ordering code (12NC) ending 128Packingpdf2014-10-14
sot403-1_frFootprint for reflow soldering SOT403-1Reflow solderingpdf2009-10-08
SOT403-1_653TSSOP16; Reel pack; SMD, 13"; Q1 Standard product orientation; Orderable part number ending, 653 or HL; Ordering code (12NC) ending 653Packingpdf2013-05-15
sot403-1_poplastic thin shrink small outline package; 16 leads; body width 4.4 mmOutline drawingpdf2009-10-08
SO-SOJ-REFLOWFootprint for reflow solderingReflow solderingpdf2009-10-08
SO-SOJ-WAVEFootprint for wave solderingWave solderingpdf2009-10-08
sot109-1_poplastic small outline package; 16 leads; body width 3.9 mmOutline drawingpdf2009-10-08
SOT109-1_118SO16; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118Packingpdf2013-04-24
订购信息
型号订购码 (12NC)可订购的器件编号
74HC160D9337 145 1065374HC160D,653
74HC160D9337 145 1065274HC160D,652
74HC160DB9351 896 8011874HC160DB,118
74HC160DB9351 896 8011274HC160DB,112
74HC160PW9352 624 3711874HC160PW,118
74HC160PW9352 624 3711274HC160PW,112
Presettable synchronous BCD decade counter; asynchronous reset 74HC_T_160
Pin FMEA 74HC/74HCT family 74HC_T_597_Q100
Voltage translation: How to manage mixed-voltage designs with NXP® level translators 74AVC16245DGG-Q100
Logic selection guide 2016 74LVC_H_245A_Q100
HC/T User Guide 74HCU04PW
plastic shrink small outline package; 16 leads; body width 5.3 mm HEF4094B
Footprint for reflow soldering 74HC_T_595_Q100
TSSOP16; Reel pack; SMD, 13"; Q1 Standard product orientation; Orderable part number ending, 623 or HL; Ordering code (12NC) end PCA9633
Reel 13" Q1/T1 LPC812M101JDH16
SSOP-TSSOP-VSO-WAVE LPC1114FDH28
TSSOP16; Reel pack; SMD, 13", Turned Q4/T2 180 deg product orientation Orderable part number ending ,128 or HP ... sc18im700ipw
Footprint for reflow soldering SOT403-1 PCA9633
TSSOP16; Reel pack; SMD, 13"; Q1 Standard product orientation; Orderable part number ending, 653 or HL; Ordering code (12NC) end PCA9633
plastic thin shrink small outline package; 16 leads; body width 4.4 mm PCA9633
Footprint for reflow soldering NPIC6C596A_Q100
Footprint for wave soldering NPIC6C596A_Q100
plastic small outline package; 16 leads; body width 3.9 mm SA614A
SO16; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering... NPIC6C596A_Q100
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