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HD74HC393P 参数 Datasheet PDF下载

HD74HC393P图片预览
型号: HD74HC393P
PDF下载: 下载PDF文件 查看货源
内容描述: 双4位二进制计数器 [Dual 4-bit Binary Counters]
分类和应用: 计数器触发器逻辑集成电路光电二极管
文件页数/大小: 7 页 / 89 K
品牌: RENESAS [ RENESAS TECHNOLOGY CORP ]
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HD74HC393
Dual 4-bit Binary Counters
REJ03D0625-0200
(Previous ADE-205-504)
Rev.2.00
Mar 30, 2006
Description
The HD74HC393 contain two 4-bit ripple carry binary counters, which can be cascaded to create a single divide-by-256
counter.
The HD74HC393 is incremented on the high to low transition (negative edge) of the clock input, and each has an
independent clear input. When clear is set high all four bits of each counter are set to a low level. This enables count
truncation and allows the implementation of divide-by-N counter configurations.
Features
High Speed Operation: t
pd
(A to Q
A
) = 16 ns typ (C
L
= 50 pF)
High Output Current: Fanout of 10 LSTTL Loads
Wide Operating Voltage: V
CC
= 2 to 6 V
Low Input Current: 1
µA
max
Low Quiescent Supply Current: I
CC
(static) = 4
µA
max (Ta = 25°C)
Ordering Information
Part Name
HD74HC393P
HD74HC393FPEL
Package Type
DILP-14 pin
SOP-14 pin (JEITA)
Package Code
(Previous Code)
PRDP0014AB-B
(DP-14AV)
PRSP0014DF-B
(FP-14DAV)
P
FP
Package
Abbreviation
EL (2,000 pcs/reel)
Taping Abbreviation
(Quantity)
Note: Please consult the sales office for the above package availability.
Function Table
Clock
X
H
L
Clear
H
L
L
L
L
Note:
1. H; High level, L; Low level, X; Irrelevant
Outputs
L
No change
No change
No change
Advance to next state
Rev.2.00 Mar 30, 2006 page 1 of 6