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參數資料
| 型號： | MC74F269J |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | Processor Supervisory Circuits 5-SOT-23 -40 to 85 |
| 中文描述： | F/FAST SERIES, SYN POSITIVE EDGE TRIGGERED 8-BIT BIDIRECTIONAL BINARY COUNTER, CDIP24 |
| 封裝： | 758-01 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 139K |
| 代理商： | MC74F269J |
4-138
FAST AND LS TTL DATA
8-BIT BIDIRECTIONAL
BINARY COUNTER
The MC74F269 is a fully synchronous 8-stage up/down counter featuring
a preset capability for programmable operation, carry look-ahead for easy
cascading and a U/D input to control the direction of counting. All state
changes, whether in counting or parallel loading, are initiated by the rising
edge of the clock.
Synchronous Counting and Loading
Built-In Lookahead Carry Capability
Count Frequency 115 MHz Typical
Supply Current 95 mA Typical
PIN ASSIGNMENT
22
21
20
19
18
17
1
2
3
4
5
6
7
24
23
8
PE
U/D
P0
P1
P2
P3
P4
VCC
P5
Q0
Q1
Q2
Q3
Q4
GND
Q5
9
10
Q7
11
CP
12
CEP
Q6
16
15
14
13
P6
TC
P7
CET
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
TA
IOH
IOL
Supply Voltage
74
4.5
5.0
5.5
V
Operating Ambient Temperature Range
74
0
25
70
°
C
Output Current
High
74
–1.0
mA
Output Current
Low
74
20
mA
MC74F269
8-BIT BIDIRECTIONAL
BINARY COUNTER
FAST
SCHOTTKY TTL
ORDERING INFORMATION
MC74FXXXJ
MC74FXXXN
MC74FXXXDW
Ceramic
Plastic
SOIC
N SUFFIX
PLASTIC
CASE 724-03
DW SUFFIX
SOIC
CASE 751E-03
24
1
24
1
J SUFFIX
CERAMIC
CASE 758-01
24
1
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| MC74F283D | Processor Supervisory Circuits 5-SOT-23 -40 to 85 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MC74F269N | 制造商:Motorola Inc 功能描述: |
| MC74F269ND | 制造商:Motorola Inc 功能描述: |
| MC74F280 WAF | 制造商:ON Semiconductor 功能描述: |
| MC74F280 WAF | 制造商:ON Semiconductor 功能描述: |
| MC74F280D | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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