參數(shù)資料
型號: SN74AS373DWR
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): 17/20頁
文件大?。?/td> 740K
代理商: SN74AS373DWR
SN54ALS373A, SN54AS373, SN74ALS373A, SN74AS373
OCTAL TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SDAS083C – APRIL 1982 – REVISED MARCH 2002
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54AS373
SN74AS373
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
0.27
0.5
V
VOL
VCC = 4.5 V
IOL = 48 mA
0.32
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
VCC = 5.5 V,
VI = 0.4 V
–0.02
–0.5
–0.02
–0.5
mA
IO
VCC = 5.5 V,
VO = 2.25 V
–30
–112
–30
–112
mA
Outputs high
55
90
55
90
ICC
VCC = 5.5 V
Outputs low
55
85
55
85
mA
Outputs disabled
65
100
65
100
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.
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
R1 = 500
,
R2 = 500
,
TA = MIN to MAX§
UNIT
SN54AS373
SN74AS373
MIN
MAX
MIN
MAX
tPLH
D
Q
3
9
3.5
6
ns
tPHL
D
Q
3
8
3.5
6
ns
tPLH
LE
AQ
6.5
14.5
6.5
11.5
ns
tPHL
LE
Any Q
5
9
5
7.5
ns
tPZH
OE
AQ
2
7.5
2
6.5
ns
tPZL
OE
Any Q
4.5
10.5
4.5
9.5
ns
tPHZ
OE
Any Q
3
10
3
6.5
ns
tPLZ
OE
Any Q
3
8
3
7
ns
§ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
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