參數(shù)資料
型號(hào)： SN74S244DWRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： S SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝： GREEN, PLASTIC, SOIC-20
文件頁數(shù)： 27/28頁
文件大?。?/td> 860K
代理商： SN74S244DWRG4
SN54LS240, SN54LS241, SN54LS244, SN54S240, SN54S241, SN54S244
SN74LS240, SN74LS241, SN74LS244, SN74S240, SN74S241, SN74S244
OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
SDLS144C APRIL 1985 REVISED MAY 2010
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
SN54S’
SN74S’
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage (see Note 1)
4.5
5
5.5
4.75
5
5.25
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
48
64
mA
External resistance between any input and VCC or ground
40
k
TA
Operating free-air temperature (see Note 3)
55
125
0
70
°C
NOTES:
1. Voltage values are with respect to network ground terminal.
3. An SN54S241J operating at free-air temperature above 116
°C requires a heat sink that provides a thermal resistance from case
to free air, RθCA, of not more that 40°C/W.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54S’
SN74S’
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = MIN,
II = 18 mA
1.2
V
Hysteresis
(VT+ VT)
VCC = MIN
0.2
0.4
0.2
0.4
V
VCC = MIN
IOH = 1 mA
VIH = 2 V,
VIL = 0.8 V,
2.7
VOH
VCC = MIN,
IOH = 3 mA
VIH = 2 V,
VIL = 0.8 V,
2.4
3.4
2.4
3.4
V
VCC = MIN,
IOH = MAX
VIH = 2 V,
VIL = 0.5 V,
2
VOL
VCC = MIN,
IOL = MAX
VIH = 2 V,
VIL = 0.8 V,
0.55
V
IOZH
VCC = MAX,
VIL = 0.8 V
VIH = 2 V,
VO = 2.4 V
50
A
IOZL
VCC = MAX,
VIL = 0.8 V
VIH = 2 V,
VO = 0.5 V
50
A
II
VCC = MAX,
VI = 5.5 V
1
mA
IIH
VCC = MAX,
VI = 2.7 V
50
A
I
V
MAX
V
05V
Any A
400
A
IIL
VCC = MAX,
VI = 0.5 V
Any G
2
mA
IOS§
VCC = MAX
50
225
50
225
mA
Outputs high
’S240
80
123
80
135
Outputs high
’S241,’S244
95
147
95
160
I
VCC = MAX,
Outputs low
’S240
100
145
100
150
mA
ICC
VCC = MAX,
Output open
Outputs low
’S241, ’S244
120
170
120
180
mA
Outputs disabled
’S240
100
145
100
150
Outputs disabled
’S241, ’S244
120
170
120
180
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
All typical values are at VCC = 5 V, TA = 25°C.
§ Not more than one output should be shorted at a time, and duration of the short-circuit should not exceed one second.
相關(guān)PDF資料
PDF描述
SN74S241NE4 S SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDIP20
SN54LS241J LS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CDIP20
SN74S240DW S SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20
SN74LS244DWG4 LS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
SN74S241N S SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDIP20
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