参数资料
型号: 54F194LMQB
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 计数移位寄存器
英文描述: F/FAST SERIES, 4-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, CQCC20
封装: LCC-16
文件页数: 4/8页
文件大小: 373K
代理商: 54F194LMQB
AC Electrical Characteristics
74F
54F
74F
TA ea25 C
TA VCC e Mil
TA VCC e Com
Symbol
Parameter
VCC ea50V
CL e 50 pF
Units
CL e 50 pF
Min
Typ
Max
Min
Max
Min
Max
fmax
Maximum Shift Frequency
105
150
90
MHz
tPLH
Propagation Delay
35
52
70
30
85
35
80
ns
tPHL
CP to Qn
35
55
70
30
85
35
80
tPHL
Propagation Delay
45
86
120
45
145
45
140
ns
MR to Qn
AC Operating Requirements
74F
54F
74F
Symbol
Parameter
TA ea25 C
TA VCC e Mil
TA VCC e Com
Units
VCC ea50V
Min
Max
Min
Max
Min
Max
ts(H)
Setup Time HIGH or LOW
40
60
40
ts(L)
Pn or DSR or DSL to CP
40
ns
th(H)
Hold Time HIGH or LOW
10
15
10
th(L)
Pn or DSR or DSL to CP
0
10
ts(H)
Setup Time HIGH or LOW
100
105
110
ts(L)
Sn to CP
80
ns
th(H)
Hold Time HIGH or LOW
0
th(L)
Sn to CP
0
tw(H)
CP Pulse Width HIGH
50
55
ns
tw(L)
MR Pulse Width LOW
50
ns
trec
Recovery Time MR to CP
90
110
ns
4
Obsolete
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相关代理商/技术参数
参数描述
54F20 制造商:NSC 制造商全称:National Semiconductor 功能描述:Dual 4-Input NAND Gate
54F20 WAF 制造商:Texas Instruments 功能描述:
54F20/B2A 制造商:未知厂家 制造商全称:未知厂家 功能描述:Dual 4-input NAND Gate
54F20/B2C 制造商:未知厂家 制造商全称:未知厂家 功能描述:Dual 4-input NAND Gate
54F20/BCA 制造商:未知厂家 制造商全称:未知厂家 功能描述:Dual 4-input NAND Gate