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參數(shù)資料
| 型號(hào)： | SN74ALB16244DGG |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | JT 21C 21#16 SKT GRND PLUG |
| 中文描述： | 16位緩沖/驅(qū)動(dòng)器，三態(tài)輸出 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大?。?/td> | 104K |
| 代理商： | SN74ALB16244DGG |
SN74ALB16244
16-BIT BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCBS647C – AUGUST 1995 – REVISED JULY 1997
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
MIN
MAX
UNIT
VCC
IOH
IOL
t/
v
TA
Refer to Figures 1 and 2 for typical I/O ranges.
Supply voltage
3
3.6
V
High-level output current
–25
mA
Low-level output current
25
mA
Input transition rise or fall rate
Outputs enabled
5
ns/V
°
C
Operating free-air temperature
–40
85
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
II = 18 mA
II = –18 mA
VI = VCC or GND
MIN
TYP
3.6
MAX
VCC–1.2
–1.2
±
10
0.6
UNIT
VIK
Data inputs
VCC= 3 V
VCC = 3 V
V
–0.9
Control inputs
VCC = 3.6 V,
μ
A
mA
μ
A
mA
μ
A
μ
A
μ
A
mA
VI= VCC
VI = VCC
OE low
0.4
II
Data inputs
VCC= 3 6 V
VCC = 3.6 V
OE high
25
VI= 0
VI = 0
OE low
–0.8
–1
OE high
–60
IOZH
IOZL
ICC/buffer
ICCZ
VCC = 3.6 V,
VCC = 3.6 V,
VCC = 3.6 V,
VCC = 3.6 V,
VCC = 3 V to 3.6 V, One input at VCC –0.6 V,
Other inputs at VCC or GND
VI = 3 V or 0
VO = 3 V or 0
VO = 3 V
VO = 0.5 V
IO = 0,
Control inputs = VCC or GND
0.6
20
–0.1
–50
VI = VCC or GND
3.7
5.6
0.8
mA
ICC§
600
μ
A
Ci
Co
4.5
pF
5.5
pF
All typical values are at VCC = 3.3 V, TA = 25
°
C.
§This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figure 3)
PARAMETER
FROM
(INPUT)
TO
VCC = 3.3 V
±
0.3 V
MIN
TYP
UNIT
(OUTPUT)
MAX
tpd
ten
tdis
A
Y
0.6
1.3
2
ns
OE
Y
1.3
2.5
4.7
ns
OE
Y
1.8
2.8
4.2
ns
All typical values are at VCC = 3.3 V, TA = 25
°
C.
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