參數(shù)資料
型號(hào)： SN74CBTLV3245DB
廠商： Texas Instruments, Inc.
英文描述： LOW-VOLTAGE OCTAL FET BUS SWITCH
中文描述： 低壓八路FET總線開關(guān)
文件頁(yè)數(shù)： 4/6頁(yè)
文件大?。?/td> 79K
代理商： SN74CBTLV3245DB
SN74CBTLV3245
LOW-VOLTAGE OCTAL FET BUS SWITCH
SCDS034F – JULY 1997 – REVISED MAY 1998
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
V
CC
= 2.5 V
±
0.2 V
VCC/2
VCC/2
VCC/2
VCC/2
VOH
VOL
From Output
Under Test
CL = 30 pF
(see Note A)
LOAD CIRCUIT
S1
Open
GND
500
500
Output
Control
(low-level
enabling)
Output
Waveform 1
S1 at 2
×
VCC
(see Note B)
Output
Waveform 2
S1 at GND
(see Note B)
tPZL
tPZH
tPLZ
tPHZ
0 V
VOL + 0.15 V
VOH – 0.15 V
0 V
VCC
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
tpd
tPLZ/tPZL
tPHZ/tPZH
Open
2
×
VCC
GND
TEST
S1
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 ns, tf
≤
2 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.
G. tPLH and tPHL are the same as tpd.
tPHL
VCC/2
VCC/2
VCC
0 V
VOH
VOL
Input
Output
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
VCC/2
VCC/2
tPLH
2
×
VCC
VCC
Figure 1. Load Circuit and Voltage Waveforms
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