參數(shù)資料
型號: SCAN18374TSSCX
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 總線收發(fā)器
中文描述: SCAN/JTAG/3J SERIES, DUAL 9-BIT BOUNDARY SCAN DRIVER, TRUE OUTPUT, PDSO56
封裝: 0.300 INCH, MO-118, SSOP-56
文件頁數(shù): 3/12頁
文件大?。?/td> 99K
代理商: SCAN18374TSSCX
11
www.fairchildsemi.com
SCAN18374
T
Extended AC Electrical Characteristics
Note 16: This specification is guaranteed but not tested. The limits apply to propagation delays for all paths described switching in phase (i.e., all LOW-to-
HIGH, HIGH-to-LOW, etc.).
Note 17: This specification is guaranteed but not tested. The limits represent propagation delays with 250 pF load capacitors in place of the 50 pF load
capacitors in the standard AC load. This specification pertains to single output switching only.
Note 18: 3-STATE delays are load dominated and have been excluded from the datasheet.
Note 19: The Output Disable Time is dominated by the RC network (500
, 250 pF) on the output and has been excluded from the datasheet.
Note 20: Skew is defined as the absolute value of the difference between the actual propagation delays for any two separate outputs of the same device.
The specification applies to any outputs switching HIGH-to-LOW (tOSHL), LOW-to-HIGH (tOSLH), or any combination switching LOW-to-HIGH and/or HIGH-
to-LOW.
Capacitance
Symbol
Parameter
TA = +25°C
Units
VCC = 5.0V
TA = 40°C to +85°C
CL = 50 pF
VCC = 5.0V ± 0.5V
18 Outputs
CL = 250 pF
Switching
(Note 17)
(Note 16)
Min
Typ
Max
Min
Max
tPLH,
Propagation Delay
3.0
11.5
4.0
13.5
ns
tPHL
Data to Output
3.0
12.5
4.0
16.5
tPZH,
Output Enable Time
2.5
10.5
(Note 18)
ns
tPZL
2.5
tPHZ,
Output Disable Time
2.0
10.5
(Note 19)
ns
tPLZ
2.0
10.5
tOSHL
Pin to Pin Skew
0.5
1.0
ns
(Note 20)
HL Data to Output
tOSLH
Pin to Pin Skew
0.5
1.0
ns
(Note 20)
LH Data to Output
Symbol
Parameter
Typ
Units
Conditions
CIN
Input Pin Capacitance
4.0
pF
VCC = 5.0V
COUT
Output Pin Capacitance
13.0
pF
VCC = 5.0V
CPD
Power Dissipation Capacitance
34.0
pF
VCC = 5.0V
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