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參數(shù)資料
| 型號(hào)： | SN54BCT25245JT |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | Reference Voltage Generator for Vcom Adjustment 10-SON |
| 中文描述： | 25ohm八路總線收發(fā)器與三態(tài)輸出 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大?。?/td> | 91K |
| 代理商： | SN54BCT25245JT |
SN54BCT25245, SN74BCT25245
25-
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS053B – MAY 1990 – REVISED APRIL 1994
2–3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
SN54BCT25245
MIN
NOM
SN74BCT25245
MIN
NOM
UNIT
MAX
MAX
VCC
VIH
VIL
IIK
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
High-level input voltage
2
2
V
Low-level input voltage
0.8
0.8
V
Input clamp current
–18
–18
mA
IOH
High level output current
High-level output current
A port
–53
–80
mA
B port
–3
–3
IOL
Low level output current
Low-level output current
A port
125
188
mA
B port
20
24
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
SN54BCT25245
MIN
TYP
SN74BCT25245
MIN
TYP
UNIT
MAX
MAX
VIK
VCC = 4.5 V,
II = –18 mA
IOH = –53 mA
IOH = – 80 mA
IOH = –3 mA
IOH = –3 mA
IOL = 94 mA
IOL = 125 mA
IOL = 188 mA
IOL = 20 mA
IOL = 24 mA
–1.2
–1.2
V
VCC= 4 5 V
2
VOH
A port
2
V
VCC = 4.75 V,
VCC = 4.5 V,
2.7
B port
2.4
3.3
2.4
3.3
0.38
0.55
0.42
0.55
A port
VCC = 4.5 V
0.8
VOL
0.7
V
B port
VCC= 4 5 V
VCC = 4.5 V
0.3
0.5
0.35
0.5
II
A or B port
VCC= 5 5 V
VCC = 5.5 V,
VI= 5 5 V
VI = 5.5 V
0.25
0.25
mA
Control input
0.1
0.1
IIH
A or B port
VCC= 5 5 V
VCC = 5.5 V,
VI= 2 7 V
VI = 2.7 V
70
70
μ
A
Control input
20
20
I
IIL
A or B port
VCC= 5 5 V
VCC = 5.5 V,
VI= 0 5 V
VI = 0.5 V
–0.6
–0.6
mA
Control input
B port only
–0.6
–0.6
IOS§
VCC = 5.5 V,
VO = 0
–60
–150
–60
–150
mA
ICCH
A to B
VCC= 5 5 V
VCC = 5.5 V
36
46
36
46
mA
B to A
63
80
63
80
ICCL
A to B
VCC= 5 5 V
VCC = 5.5 V
48
60
48
60
mA
B to A
95
125
95
125
ICCZ
Ci
VCC = 5.5 V
VCC = 5 V,
12
16
12
16
mA
Control input
VI = 2.5 V or 0.5 V
8
8
pF
Cio
A port
B port
VCC= 5 V
VCC = 5 V,
VO= 2 5 V or 0 5 V
VO = 2.5 V or 0.5 V
18
8
18
8
pF
All typical values are at VCC = 5 V, TA = 25
°
C.
For I/O ports, the parameters IIH and IIL include the off-state output current.
§Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
Testing for this parameter on the A port is not recommended.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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