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参数资料
| 型号： | SN54BCT544W |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | BCT/FBT SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, CDFP24 |
| 封装： | CERAMIC, FP-24 |
| 文件页数： | 3/9页 |
| 文件大小： | 157K |
| 代理商： | SN54BCT544W |
SN54BCT544, SN74BCT544
OCTAL REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS039B – NOVEMBER 1988 – REVISED NOVEMBER 1993
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC
– 0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range: Control inputs (see Note 1)
– 0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I/O ports (see Note 1)
– 0.5 V to 5.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Voltage range applied to any output in the disabled or power-off state, VO
– 0.5 V to 7 V
. . . . . . . . . . . . . . . . .
Voltage range applied to any output in the high state, VO
– 0.5 V to VCC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input clamp current
– 30 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Current into any output in the low state: SN54BCT544
96 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74BCT544
128 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range:
SN54BCT544
– 55
°C to 125°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SN74BCT544
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range
– 65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 negative voltage rating may be exceeded if the input clamp-current rating is observed.
recommended operating conditions
SN54BCT544
SN74BCT544
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
IIK
Input clamp current
–18
mA
IOH
High-level output current
–12
–15
mA
IOL
Low-level output current
48
64
mA
TA
Operating free-air temperature
–55
125
0
70
°C
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