參數(shù)資料
型號: SN54ALVTH16821
廠商: Texas Instruments, Inc.
英文描述: 2.5-V/3.3-V 20-Bit Bus-Interface Flip-Flops(2.5V/3.3V 20位總線接口觸發(fā)器(三態(tài)輸出))
中文描述: 2.5-V/3.3-V 20位總線接口正反器(2.5V/3.3V的20位總線接口觸發(fā)器(三態(tài)輸出))
文件頁數(shù): 4/10頁
文件大?。?/td> 222K
代理商: SN54ALVTH16821
SN54ALVTH16821, SN74ALVTH16821
2.5-V/3.3-V 20-BIT BUS-INTERFACE FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCES078A – JULY 1996 – REVISED JULY 1996
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions, V
CC
= 3.3 V
±
0.3 V (see Note 3)
SN54ALVTH16821
MIN
SN74ALVTH16821
MIN
UNIT
MAX
MAX
VCC
VIH
VIL
VI
IOH
Supply voltage
3
3.6
3
3.6
V
High-level input voltage
2
2
V
Low-level input voltage
0.8
0.8
V
Input voltage
0
5.5
0
5.5
V
High-level output current
–24
–32
mA
IOL
Low-level output current
Low-level output current; current duty cycle
50%; f
1 KHz
Input transition rise or fall rate
24
32
mA
48
64
t/
v
TA
NOTE 3: Unused control inputs must be held high or low to prevent them from floating.
Outputs enabled
10
10
ns/V
°
C
Operating free-air temperature
–55
125
–40
85
P
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