參數(shù)資料
型號： SN74AS374DWRE4
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： AS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝： GREEN, PLASTIC, SOIC-20
文件頁數(shù)： 15/20頁
文件大?。?/td> 721K
代理商： SN74AS374DWRE4
SN54ALS374A, SN54AS374, SN74ALS374A, SN74AS374
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SDAS167C – APRIL 1982 – REVISED NOVEMBER 1999
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
SN54AS374
SN74AS374
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
0.7
0.8
V
IOH
High-level output current
–12
–15
mA
IOL
Low-level output current
32
48
mA
TA
Operating free-air temperature
–55
125
0
70
°C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54AS374
SN74AS374
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = –18 mA
–1.2
V
VCC = 4.5 V to 5.5 V,
IOH = –2 mA
VCC–2
VOH
VCC =4 5V
IOH = –12 mA
2.4
3.2
V
VCC = 4.5 V
IOH = –15 mA
2.4
3.3
VOL
VCC =4 5V
IOL = 32 mA
0.29
0.5
V
VOL
VCC = 4.5 V
IOL = 48 mA
0.34
0.5
V
IOZH
VCC = 5.5 V,
VO = 2.7 V
50
A
IOZL
VCC = 5.5 V,
VO = 0.4 V
–50
A
II
VCC = 5.5 V,
VI = 7 V
0.1
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20
A
IIL
OE, CLK
VCC =5 5V
VI =0 4V
–0.5
mA
IIL
Data
VCC = 5.5 V,
VI = 0.4 V
–3
–2
mA
IO
VCC = 5.5 V,
VO = 2.25 V
–30
–112
–30
–112
mA
Outputs high
77
120
77
120
ICC
VCC = 5.5 V
Outputs low
84
128
84
128
mA
Outputs disabled
84
128
84
128
All typical values are at VCC = 5 V, TA = 25°C.
The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
SN54AS374
SN74AS374
UNIT
MIN
MAX
MIN
MAX
UNIT
fclock
Clock frequency
100*
125
MHz
t
Pulse duration
CLK high
5.5*
4
ns
tw
Pulse duration
CLK low
3*
3
ns
tsu
Setup time
Data before CLK
↑
3*
2
ns
th
Hold time
Data after CLK
↑
3*
2
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
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SN74AS374N-J 制造商:Rochester Electronics LLC 功能描述:- Bulk
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