参数资料
型号: 74HCT393D,653
厂商: NXP Semiconductors
文件页数: 2/21页
文件大小: 0K
描述: IC DUAL 4BIT BINARY RIPPL 14SOIC
产品培训模块: Logic Packages
标准包装: 2,500
系列: 74HCT
逻辑类型: 二进制计数器
方向:
元件数: 2
每个元件的位元数: 4
复位: 异步
计数速率: 107MHz
触发器类型: 负边沿
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: 14-SOIC(0.154",3.90mm 宽)
供应商设备封装: 14-SO
包装: 带卷 (TR)
其它名称: 74HCT393D-T
74HCT393D-T-ND
933714120653
74HC_HCT393
All information provided in this document is subject to legal disclaimers.
NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet
Rev. 5 — 1 April 2014
10 of 21
NXP Semiconductors
74HC393; 74HCT393
Dual 4-bit binary ripple counter
[1]
tpd is the same as tPLH and tPHL.
[2]
tt is the same as tTHL and tTLH.
[3]
CPD is used to determine the dynamic power dissipation (PD in W).
PD =CPD VCC2 fi N+ (CL VCC2 fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
CL = output load capacitance in pF;
VCC = supply voltage in V;
N = number of inputs switching;
(C
L VCC
2
f
o) = sum of outputs.
10.1 Waveforms
CPD
power
dissipation
capacitance
CL =50pF;f=1 MHz;
VI =GND to VCC 1.5 V
-25
-
pF
Table 7.
Dynamic characteristics …continued
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 11.
Symbol Parameter
Conditions
25
C
40 C to +85 C 40 C to +125 C Unit
Min
Typ
Max
Min
Max
Min
Max
Measurement points are given in Table 8.
Fig 9.
Propagation delays clock (nCP) to output (nQx), the output transition times and the maximum clock
frequency
001aad537
VM
tPLH
tTLH
tTHL
tPHL
input nCP
VI
GND
VOH
VOL
1/fmax
output nQx
Table 8.
Measurement points
Type
Input
Output
VM
74HC393
0.5VCC
74HCT393
1.3 V
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