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參數(shù)資料
| 型號： | SN54ABT7820GB |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 512 】 18 】 2 STROBED BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY |
| 中文描述： | 512】18】2選通雙向先入先出存儲器 |
| 文件頁數(shù)： | 10/14頁 |
| 文件大小： | 199K |
| 代理商： | SN54ABT7820GB |
SN54ABT7820
512
×
18
×
2
STROBED BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY
SGBS303E – AUGUST 1994 – REVISED APRIL 2000
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature (unless otherwise noted)
Supply voltage range, V
CC
Input voltage range, V
I
(see Note 1)
Voltage range applied to any output in the high state or power-off state, V
O
Current into any output in the low state, I
O
Input clamp current, I
IK
(V
I
< 0)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output clamp current, I
OK
(V
O
< 0)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
–0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–0.5 V to V
CC
+ 0.5 V
–0.5 V to 5.5 V
. . . . . . . . . . . . . .
48 mA
–18 mA
–50 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–65
°
C to 150
°
C
recommended operating conditions
MIN
NOM
MAX
UNIT
VCC
VIH
VIL
VI
IOH
IOL
t/
v
TA
Supply voltage
4.5
5
5.5
V
High-level input voltage
2
V
Low-level input voltage
0.8
V
Input voltage
0
VCC
–12
V
High-level output current
mA
Low-level output current
24
mA
Input transition rise or fall rate
5
ns/V
°
C
Operating free-air temperature
–55
125
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 5 V,
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
II = – 18 mA
IOH = – 3 mA
IOH = – 3 mA
IOH = – 12 mA
IOL = 24 mA
VI = VCC or GND
VO = 2.7 V
VO = 0.5 V
VO = 2.5 V
– 1.2
V
2.5
VOH
3
V
2
VOL
II
IOZH§
IOZL§
IO
0.55
±
5
50
V
μ
A
μ
A
μ
A
mA
– 50
– 40
– 100
– 180
Outputs high
15
ICC
VCC = 5.5 V,
IO = 0,
VI = VCC or GND
Outputs low
95
mA
Outputs disabled
15
Ci
Co
Cio
Control inputs
VI = 2.5 V or 0.5 V
VO = 2.5 V or 0.5 V
VO = 2.5 V or 0.5 V
6
pF
Flags
4
pF
A or B ports
8
pF
All typical values are at VCC = 5 V, TA = 25
°
C.
§The parameters IOZH and IOZL include the input leakage current.
Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
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