参数资料
型号: 74HCT193DB,112
厂商: NXP Semiconductors
文件页数: 10/30页
文件大小: 0K
描述: IC SYNC 4BIT UP/DWN COUNT 16SSOP
产品培训模块: Logic Packages
标准包装: 78
系列: 74HCT
逻辑类型: 二进制计数器
方向: 上,下
元件数: 1
每个元件的位元数: 4
复位: 异步
计时: 同步
计数速率: 43MHz
触发器类型: 正边沿
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.209",5.30mm 宽)
供应商设备封装: 16-SSOP
包装: 管件
其它名称: 568-2799-5
935189730112
74HC_HCT193
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2013. All rights reserved.
Product data sheet
Rev. 4 — 24 June 2013
18 of 30
NXP Semiconductors
74HC193; 74HCT193
Presettable synchronous 4-bit binary up/down counter
11. Waveforms
Measurement points are given in Table 10.
tPLH and tPHL are the same as tpd.
Logic levels VOL and VOH are typical output voltage levels that occur with the output load.
Fig 9.
The clock (CPU, CPD) to output (Qn) propagation delays, the clock pulse width, and the maximum clock
pulse frequency
001aag413
CPU, CPD
input
VI
GND
VOH
VOL
Qn output
tPHL
tPLH
tW
VM
1/fmax
Measurement points are given in Table 10.
tPLH and tPHL are the same as tpd.
Logic levels VOL and VOH are typical output voltage levels that occur with the output load.
Fig 10. The clock (CPU, CPD) to terminal count output (TCU,TCD) propagation delays
001aag414
CPU, CPD
input
TCU, TCD
output
tPHL
VI
GND
VOH
VOL
tPLH
VM
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