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參數(shù)資料
| 型號： | MC74F544DW |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | Automotive Catalog 220nA Supervisor with 10ms/200ms Selectable Delay Time 5-SOT-23 -40 to 125 |
| 中文描述： | F/FAST SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO24 |
| 封裝： | SOIC-24 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 82K |
| 代理商： | MC74F544DW |
4-216
FAST AND LS TTL DATA
OCTAL REGISTERED
TRANSCEIVER, INVERTING,
3-STATE
The MC74F544 Octal Registered Transceivers contain two sets of D-Type
latches for temporary storage of data flowing in either direction. Separate
Latch Enable (LEAB, LEBA) and Enable (OEAB, OEBA) inputs are provided
for each register to permit independent control of inputting and outputting in
either direction of data flow. The MC74F544 has an inverting data path. The
A outputs are guaranteed to sink 24 mA while the B outputs are rated for
64 mA.
Combines 74F245 and 74F373 Type Functions in One Chip
8-Bit Octal Transceiver
Inverting
Back-to-Back Registers for Storage
Separate Controls for Data Flow in Each Direction
Glitchless Outputs During 3-State Power Up or Power Down Operation
High Impedance Outputs in Power Off State
A Outputs Sink 24 mA and Source 3.0 mA
B Outputs Sink 64 mA and Source 15 mA
See F543 for Noninverting Version
ESD Protection > 4000 Volts
PIN ASSIGNMENT
18
17
16
15
14
13
1
2
3
4
5
6
A3
7
A4
20
19
8
B2
LEBA
B3
B4
B5
B6
LEAB
B7
OEAB
OEBA A0
A2
A5
A6
9
10
A7
A1
11
EAB GND
12
22
21
24
23
VCCEBA
B0
B1
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
TA
IOH
IOL
DC Supply Voltage
74
4.5
5.0
5.5
V
Operating Ambient Temperature Range
74
0
25
70
°
C
Output Current — High
74
—
—
–3.0/–15
mA
Output Current — Low
74
—
—
24/64
mA
MC74F544
OCTAL REGISTERED
TRANSCEIVER, INVERTING,
3-STATE
FAST
SCHOTTKY TTL
ORDERING INFORMATION
MC74FXXXN
MC74FXXXDW
Plastic
SOIC
N SUFFIX
PLASTIC
CASE 724-03
DW SUFFIX
SOIC
CASE 751E-03
24
1
24
1
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