參數資料
型號: 74LS168
廠商: ON SEMICONDUCTOR
元件分類: 通用總線功能
英文描述: BCD DECADE/MODULO 16 BINARY SYNCHRONOUS BI-DIRECTIONAL COUNTERS
中文描述: BCD碼十年/模16二進制同步的雙向計數器
文件頁數: 5/6頁
文件大?。?/td> 117K
代理商: 74LS168
5-5
FAST AND LS TTL DATA
SN54/74LS168
SN54/74LS169
AC CHARACTERISTICS
(TA = 25
°
C, VCC = 5.0 V)
Symbol
b l
Parameter
Limits
U i
Unit
Test Conditions
di i
Min
Typ
Max
fMAX
tPLH
tPHL
Maximum Clock Frequency
25
32
MHz
VCC = 5.0 V
CL = 15 pF
5 0 V
5 0 V
Propagation Delay,
Clock to TC
23
23
35
35
ns
tPLH
tPHL
Propagation Delay,
Clock to any Q
13
15
20
23
ns
tPLH
tPHL
Propagation Delay,
CET to TC
15
15
20
20
ns
tPLH
tPHL
Propagation Delay,
U/D to TC
17
19
25
29
ns
AC SETUP REQUIREMENTS
(TA = 25
°
C)
Symbol
b l
Parameter
Limits
U i
Unit
Test Conditions
di i
Min
Typ
Max
tW
Clock Pulse Width
25
ns
VCC = 5.0 V
5 0 V
5 0 V
ts
Setup Time,
Data or Enable
20
ns
ts
Setup Time
PE
25
ns
ts
Setup Time
U/D
30
ns
th
Hold Time
Any Input
0
ns
相關PDF資料
PDF描述
74LS168 54LS168 Synchronous Bi-Directional BCD Decade Counter
74LS168 BCD DECADE/MODULO 16 BINARY SYNCHRONOUS BI-DIRECTIONAL COUNTERS
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74LS194 4-Bit Bidirectional Universal Shift Register
74LS197 4-STAGE PRESETTABLE RIPPLE COUNTERS
相關代理商/技術參數
參數描述
74LS168AN 制造商:North American Philips Discrete Products Div 功能描述:Counter, Up/Down, Decade, 16 Pin, Plastic, DIP
74LS169 WAF 制造商:Texas Instruments 功能描述:
74LS169A DIE 制造商:Advanced Micro Devices 功能描述:
74LS169AN 制造商:SIG 功能描述:74LS169 N6E2B 制造商:NXP Semiconductors 功能描述: 制造商:. 功能描述:Counter, Up/Down, 4 Bit Binary, 16 Pin, Plastic, DIP 制造商:North American Philips Discrete Products Div 功能描述:Counter, Up/Down, 4 Bit Binary, 16 Pin, Plastic, DIP 制造商:NXP Semiconductors 功能描述:Counter, Up/Down, 4 Bit Binary, 16 Pin, Plastic, DIP
74LS169DC 制造商:Freescale Semiconductor 功能描述:Counter, Up/Down, 4 Bit Binary, 16 Pin, Ceramic, DIP