參數(shù)資料
型號： SN64BCT244N
廠商： Texas Instruments, Inc.
英文描述： OCTAL BUFFER/DRIVER WITH 3-STATE OUTPUTS
中文描述： 八路緩沖器/ 3驅(qū)動態(tài)輸出
文件頁數(shù)： 3/5頁
文件大?。?/td> 70K
代理商： SN64BCT244N
SN64BCT244
OCTAL BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCBS027A – FEBRUARY 1989 – REVISED JANUARY 1994
3–3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
MIN
NOM
MAX
UNIT
VCC
VIH
VIL
IIK
IOH
IOL
TA
Supply voltage
4.5
5
5.5
V
High-level input voltage
2
V
Low-level input voltage
0.8
V
Input clamp current
–18
mA
High-level output current
–15
mA
Low-level output current
64
mA
°
C
Operating free-air temperature
–40
85
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = –18 mA
IOH = –3 mA
IOH = –15 mA
IOL = 64 mA
VI = 7 V
VI = 2.7 V
VI = 0.5 V
–1.2
V
VOH
VCC= 4 5 V
VCC = 4.5 V
2.4
3.3
V
2
3.1
VOL
II
IIH
IIL
VCC = 4.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 0 to 2.3 V (power up)
VCC = 1.8 V to 0 (power down)
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
0.42
0.55
V
0.1
mA
μ
A
mA
20
–1
IOZ
VO= 2 7 V or 0 5 V
VO = 2.7 V or 0.5 V,
OE at 0 8 V
OE at 0.8 V
50
μ
A
50
IOZH
IOZL
IOS
ICCH
ICCL
ICCZ
VO = 2.7 V
VO = 0.5 V
VO = 0
Output open
50
μ
A
μ
A
mA
–50
–100
–225
23
40
mA
Output open
53
80
mA
Output open
4
10
mA
All typical values are at VCC = 5 V.
Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
switching characteristics (see Note 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
CL = 50 pF,
R1 = 500
,
R2 = 500
,
TA = 25
°
C
MIN
1.2
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
R1 = 500
,
R2 = 500
,
TA = MIN to MAX§
MIN
0.9
UNIT
TYP
2.5
MAX
4.4
MAX
5.3
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
A
Y
ns
1.7
3.2
5
1.4
6
OE
Y
2
5.7
7.8
2
9
ns
2
5.9
8.1
2
9.4
OE
Y
2
2
5.4
6.1
6.7
7.6
2
2
8
ns
9.8
§For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
NOTE 2: Load circuits and voltage waveforms are shown in Section 1.
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SN64BCT244NS 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:
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