參數(shù)資料
型號(hào): 74HC193
廠商: NXP Semiconductors N.V.
元件分類(lèi): 通用總線功能
英文描述: Presettable synchronous 4-bit binary up/down counter
中文描述: 可預(yù)置同步4位二進(jìn)制加/減計(jì)數(shù)器
文件頁(yè)數(shù): 3/13頁(yè)
文件大?。?/td> 95K
代理商: 74HC193
December 1990
3
Philips Semiconductors
Product specification
Presettable synchronous 4-bit binary
up/down counter
74HC/HCT193
QUICK REFERENCE DATA
GND = 0 V; T
amb
= 25
°
C; t
r
= t
f
= 6 ns
Notes
1.
C
PD
is used to determine the dynamic power dissipation (P
D
in
μ
W):
P
D
= C
PD
×
V
CC2
×
f
i
+ ∑
(C
L
×
V
CC2
×
f
o
) where:
f
i
= input frequency in MHz
f
o
= output frequency in MHz
(C
L
×
V
CC2
×
f
o
) = sum of outputs
C
L
= output load capacitance in pF
V
CC
= supply voltage in V
For HC the condition is V
I
= GND to V
CC
For HCT the condition is V
I
= GND to V
CC
1.5 V
2.
ORDERING INFORMATION
See
“74HC/HCT/HCU/HCMOS Logic Package Information”
.
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
HC
HCT
t
PHL
/ t
PLH
f
max
C
I
C
PD
propagation delay CP
D
, CP
U
to Q
n
maximum clock frequency
input capacitance
power dissipation capacitance per package
C
L
= 15 pF; V
CC
= 5 V
20
45
3.5
24
20
47
3.5
26
ns
MHz
pF
pF
notes 1 and 2
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74HC193_13 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Presettable synchronous 4-bit binary up/down counter
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74HC193D,652 功能描述:計(jì)數(shù)器 IC 4BIT COUNTR U/D SYNC RoHS:否 制造商:NXP Semiconductors 計(jì)數(shù)器類(lèi)型:Binary Counters 邏輯系列:74LV 位數(shù):10 計(jì)數(shù)法: 計(jì)數(shù)順序: 工作電源電壓:1 V to 5.5 V 工作溫度范圍:- 40 C to + 125 C 封裝 / 箱體:SOT-109 封裝:Reel
74HC193D,653 功能描述:計(jì)數(shù)器移位寄存器 4-BIT BINARY U/D COUNTER RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類(lèi)型: 計(jì)數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類(lèi)型: 輸入線路數(shù)量:1 輸出類(lèi)型:Open Drain 傳播延遲時(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel
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