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參數(shù)資料
| 型號： | SN54BCT544W |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 八路收發(fā)登記，3態(tài)輸出 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 89K |
| 代理商： | SN54BCT544W |
SN54BCT544, SN74BCT544
OCTAL REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS039B – NOVEMBER 1988 – REVISED NOVEMBER 1993
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54BCT544
MIN
TYP
SN74BCT544
MIN
TYP
UNIT
MAX
MAX
VIK
VCC = 4.5 V,
II = –18 mA
IOH = –3 mA
IOH = –12 mA
IOH = –15 mA
IOH = –3 mA
IOL = 48 mA
IOL = 64 mA
VI = 5.5 V
VI = 2.7 V
VI = 0.5 V
VO = 0
–1.2
–1.2
V
2.4
3.3
2.4
3.3
VOH
VCC = 4.5 V
2
3.2
V
2
3.1
VCC = 4.75 V,
2.7
VOL
VCC= 4 5 V
VCC = 4.5 V
0.38
0.55
V
0.42
0.55
II
IIH
IIL
IOS§
ICCH
ICCL
ICCZ
Ci
Cio
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V
VCC = 5.5 V
VCC = 5.5 V
VCC = 5 V,
VCC = 5 V,
0.4
0.4
mA
μ
A
mA
20
20
–0.6
–0.6
–100
–225
–100
–225
mA
7
11
7
11
mA
43
68
43
68
mA
9
15
9
15
mA
VI = 2.5 V or 0.5 V
VO = 2.5 V or 0.5 V
6
6
pF
16
16
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.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted)
VCC = 5 V,
TA = 25
°
C
MIN
SN54BCT544
SN74BCT544
UNIT
MAX
MIN
MAX
MIN
MAX
tw
tsu
th
Pulse duration, LEAB or LEBA low
Setup time, data before LEAB or LEBA
↑
Hold time, data after LEAB or LEBA
↑
7
8
7
ns
High or low
5
5.5
5
ns
High or low
1
1
1
ns
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