參數(shù)資料
型號: SN74BCT544DWR
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: BCT/FBT SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO24
封裝: PLASTIC, MS-013, SOIC-24
文件頁數(shù): 7/12頁
文件大?。?/td> 312K
代理商: SN74BCT544DWR
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
SN74BCT544
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VIK
VCC = 4.5 V,
II = –18 mA
–1.2
V
IOH = – 3 mA
2.4
3.3
2.4
3.3
VOH
VCC = 4.5 V
IOH = –12 mA
2
3.2
V
VOH
IOH = –15 mA
2
3.1
V
VCC = 4.75 V,
IOH = – 3 mA
2.7
VOL
VCC =4 5V
IOL = 48 mA
0.38
0.55
V
VOL
VCC = 4.5 V
IOL = 64 mA
0.42
0.55
V
II
VCC = 5.5 V,
VI = 5.5 V
0.4
mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20
A
IIL
VCC = 5.5 V,
VI = 0.5 V
– 0.6
mA
IOS§
VCC = 5.5 V,
VO = 0
–100
– 225
–100
– 225
mA
ICCH
VCC = 5.5 V
7
11
7
11
mA
ICCL
VCC = 5.5 V
43
68
43
68
mA
ICCZ
VCC = 5.5 V
9
15
9
15
mA
Ci
VCC = 5 V,
VI = 2.5 V or 0.5 V
6
pF
Cio
VCC = 5 V,
VO = 2.5 V or 0.5 V
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
SN54BCT544
SN74BCT544
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
tw
Pulse duration, LEAB or LEBA low
7
8
7
ns
tsu
Setup time, data before LEAB or LEBA
High or low
5
5.5
5
ns
th
Hold time, data after LEAB or LEBA
High or low
1
ns
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