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参数资料
| 型号： | SN54ALS878AFK |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | ALS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CQCC28 |
| 封装： | CERAMIC, QCC-28 |
| 文件页数： | 6/8页 |
| 文件大小： | 112K |
| 代理商： | SN54ALS878AFK |
SN54AS878, SN54AS879
SN74AS878, SN74AS879
DUAL 4BIT DTYPE EDGETRIGGERED FLIPFLOPS WITH 3STATE OUTPUTS
SDAS062A D2661, APRIL 1982 REVISED MAY 1986
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77001
6
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage applied to a disabled 3-state output
5.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range:
SN54AS878, SN54AS879
55
°C to 125°C
. . . . . . . . . . . . . . . . . . . . .
SN74AS878, SN74AS879
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range
65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
recommended operating conditions
SN54AS878
SN54AS879
SN74AS878
SN74AS879
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
IOH
High-level output current
12
15
mA
IOL
Low-level output current
32
48
mA
fclock
Clock Frequency
0
100
0
125
MHz
tw
Pulse duration
CLK low
4
2
ns
tw
Pulse duration
CLK high
5
4
ns
tsu
Setup time before CLK
↑
Data
3
2
ns
tsu
Setup time before CLK
↑
CLR
6.5
5.5
ns
th
Hold time after CLK
↑
Data
3
2
ns
th
Hold time after CLK
↑
CLR
0
ns
TA
Operating free-air temperature
55
125
0
70
°
°C
相关PDF资料 |
PDF描述 |
|---|---|
| SN74ALS878AFN | ALS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PQCC28 |
| SN74AS879NT | AS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDIP24 |
| SN54AS879JT | AS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CDIP24 |
| SN54ALS879AJT | ALS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CDIP24 |
| SN74ALS879ANT | ALS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDIP24 |
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| SN54AS08J | 制造商:Texas Instruments 功能描述:AND Gate 4-Element 2-IN Bipolar 14-Pin CDIP Tube 制造商:Texas Instruments 功能描述:AND GATE 4-ELEM 2-IN BIPOLAR 14CDIP - Rail/Tube |
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