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参数资料
| 型号： | SN74LS162AN |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 计数器 |
| 英文描述： | LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT UP DECADE COUNTER, PDIP16 |
| 封装： | PLASTIC, DIP-16 |
| 文件页数： | 5/7页 |
| 文件大小： | 170K |
| 代理商： | SN74LS162AN |
SN74LS160A
http://onsemi.com
5
DEFINITION OF TERMS
SETUP TIME (ts) — is defined as the minimum time required
for the correct logic level to be present at the logic input prior
to the clock transition from LOW to HIGH in order to be
recognized and transferred to the outputs.
HOLD TIME (th) — is defined as the minimum time following
the clock transition from LOW to HIGH that the logic level
must be maintained at the input in order to ensure continued
recognition. A negative HOLD TIME indicates that the
correct logic level may be released prior to the clock
transition from LOW to HIGH and still be recognized.
RECOVERY TIME (trec) — is defined as the minimum time
required between the end of the reset pulse and the clock
transition from LOW to HIGH in order to recognize and
transfer HIGH Data to the Q outputs.
AC WAVEFORMS
Figure 1. Clock to Output Delays, Count Frequency, and Clock Pulse Width
Figure 2. Master Reset to Output Delay, Master Reset
Pulse Width, and Master Reset Recovery Time
1.3 V
CP
Q
tW(H)
tW(L)
trec
tPHL
tPLH
Other conditions:
PE = MR (SR) = H
CEP = CET = H
Other conditions:
PE = L
P0 = P1 = P2 = P3 = H
tW
Q0 V Q1 V Q2 V Q3
MR
CP
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| SN74LS163ADRE4 | 功能描述:计数器 IC 4-Bit Synchronous Binary Counters RoHS:否 制造商:NXP Semiconductors 计数器类型:Binary Counters 逻辑系列:74LV 位数:10 计数法: 计数顺序: 工作电源电压:1 V to 5.5 V 工作温度范围:- 40 C to + 125 C 封装 / 箱体:SOT-109 封装:Reel |
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