参数资料
型号: SN74AS757NSRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 总线收发器
英文描述: AS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
封装: GREEN, PLASTIC, SOP-20
文件页数: 9/15页
文件大小: 599K
代理商: SN74AS757NSRG4
SN54AS756, SN74AS756, SN74AS757
OCTAL BUFFERS AND LINE DRIVERS
WITH OPENCOLLECTOR OUTPUTS
SDAS040B DECEMBER 1983 REVISED JANUARY 1995
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
recommended operating conditions
SN54AS756
SN74AS756
SN74AS757
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
VOH
High-level output voltage
5.5
V
IOL
Low-level output current
48
64
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
SN54AS756
SN74AS756
SN74AS757
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = 18 mA
1.2
V
IOH
VCC = 4.5 V,
VOH = 5.5 V
0.1
mA
VOL
VCC = 4.5 V
IOL = 48 mA
0.55
V
VOL
VCC = 4.5 V
IOL = 64 mA
0.55
V
II
VCC = 5.5 V,
VI = 7 V
0.1
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20
A
IIL
A inputs of
SN74AS757 only
VCC = 5.5 V,
VI = 0.4 V
1
mA
IIL
All other inputs
VCC = 5.5 V,
VI = 0.4 V
0.5
mA
′AS756
VCC = 5.5 V
Outputs high
9
15
9
15
ICC
′AS756
VCC = 5.5 V
Outputs low
51
80
51
80
mA
ICC
SN74AS757
VCC = 5.5 V
Outputs high
21
33
21
33
mA
SN74AS757
VCC = 5.5 V
Outputs low
61
95
61
95
All typical values are at VCC = 5 V, TA = 25°C.
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