參數(shù)資料
型號: SN74CB3T3384DWRE4
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: CB3T/3VT SERIES, DUAL 5-BIT DRIVER, TRUE OUTPUT, PDSO24
封裝: GREEN, PLASTIC, SOIC-24
文件頁數(shù): 16/18頁
文件大?。?/td> 522K
代理商: SN74CB3T3384DWRE4
SN74CB3T3384
10BIT FET BUS SWITCH
2.5V/3.3V LOW VOLTAGE BUS SWITCH WITH 5V TOLERANT LEVEL SHIFTER
SCDS159B OCTOBER 2003 REVISED MARCH 2004
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
VOH
VOL
CL
(see Note A)
TEST CIRCUIT
S1
2
× VCC
Open
GND
RL
Output
Waveform 1
S1 at 2
× VCC
(see Note B)
Output
Waveform 2
S1 at Open
(see Note B)
tPZL
tPZH
tPLZ
tPHZ
0 V
VOL + V
VOH V
0 V
VCC
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
NOTES: A. CL includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low, except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high, except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR
≤ 10 MHz, ZO = 50 , tr ≤ 2.5 ns, tf ≤ 2.5 ns.
D. The outputs are measured one at a time, with one transition per measurement.
E. tPLZ and tPHZ are the same as tdis.
F. tPZL and tPZH are the same as ten.
50
VG1
VCC
DUT
50
VIN
50
VG2
50
VI
TEST
RL
S1
V
CL
VCC
VI
tPHZ/tPZH
tPLZ/tPZL
2.5 V
± 0.2 V
3.3 V
± 0.3 V
2.5 V
± 0.2 V
3.3 V
± 0.3 V
2
× VCC
2
× VCC
Open
500
500
500
500
GND
3.6 V
5.5 V
30 pF
50 pF
30 pF
50 pF
0.15 V
0.3 V
0.15 V
0.3 V
Output
Control
(VIN)
Input Generator
VCC/2
VO
Figure 2. Test Circuit and Voltage Waveforms
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