参数资料
型号: 74LV393PW,112
厂商: NXP Semiconductors
文件页数: 10/12页
文件大小: 0K
描述: IC DUAL 4BIT BINAR RIPPL 14TSSOP
产品培训模块: Logic Packages
标准包装: 96
系列: 74LV
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: 20MHz
触发器类型: 负边沿
电源电压: 1 V ~ 3.6 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 14-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 14-TSSOP
包装: 管件
产品目录页面: 838 (CN2011-ZH PDF)
其它名称: 568-2968-5
935198250112
Philips Semiconductors
Product specification
74LV393
Dual 4-bit binary ripple counter
1998 Jun 10
7
AC WAVEFORMS
VM = 1.5V at VCC w 2.7V
VM = 0.5 * VCC at VCC t 2.7V
VOL and VOH are the typical output voltage drop that occur with the
output load.
SV00678
VM
nCP INPUT
VCC
GND
VOH
VOL
nQn OUTPUT
VM
tPLH
tPHL
1/fmax
Figure 1. Clock (nCP) to output (1Qn, 2Qn) propagation delays,
the clock pulse width, and the maximum clock frequency
SV00679
VM
nMR INPUT
nCP INPUT
VCC
GND
VOL
VOH
nQn OUTPUT
VM
trem
tPHL
tW
Figure 2. Master reset (nMR) pulse width,
the master reset to output (Qn) propagation delays,
and the master reset to clock (nCP) removal time
TEST CIRCUIT
PULSE
GENERATOR
RT
VI
D.U.T.
VO
CL
RL = 1k
VCC
Test Circuit for switching times
DEFINITIONS
VCC
VI
< 2.7V
VCC
TEST
tPLH/tPHL
RT = Termination resistance should be equal to ZOUT of pulse generators.
50pF
SV00901
RL = Load resistor
CL = Load capacitance includes jig and probe capacitance
2.7–3.6V
2.7V
Figure 3. Load circuitry for switching times
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