參數(shù)資料
型號： SN74FB2033HRC
廠商： Texas Instruments, Inc.
英文描述： 8-BIT TTL/BTL REGISTERED TRANSCEIVER
中文描述： 8位TTL /橋接注冊收發(fā)器
文件頁數(shù)： 9/10頁
文件大?。?/td> 151K
代理商： SN74FB2033HRC
SN74FB2033H
8-BIT TTL/BTL REGISTERED TRANSCEIVER
SCBS472B – MAY 1994 – REVISED JUNE 1996
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
From Output
Under Test
CL = 50 pF
(see Note A)
LOAD CIRCUIT FOR A OUTPUTS
S1
7 V
Open
500
500
From Output
Under Test
LOAD CIRCUIT FOR B OUTPUTS
2.1 V
9
30 pF
(see Note A)
Test
Point
th
tsu
tPHL
tPLH
Output
1.5 V
1.5 V
3 V
0 V
1.55 V
1.55 V
VOH
VOL
Data Input
Timing Input
1.5 V
3 V
0 V
1.5 V
1.5 V
3 V
0 V
Output
tPHL
tPLH
1.55 V
1.55 V
2.1 V
1 V
1.5 V
1.5 V
VOH
VOL
Input
Input
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES (B TO A)
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES (A TO B)
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
Output
Control
Output
S1 at 7 V
(see Note B)
Output
(see Note B)
VOL
VOH
tPLZ
tPZH
tPZL
tPHZ
1.5 V
3.5 V
0 V
1.5 V
VOL + 0.3 V
1.5 V
VOH – 0.3 V
≈
0 V
3 V
3 V
0 V
1.5 V
1.5 V
tw
Input
1.5 V
VOLTAGE WAVEFORMS
PULSE DURATION
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES (A PORT)
VOHP
VOHV
2.1 V
1 V
VOLV
VOLTAGE WAVEFORMS
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
Open
7 V
Open
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: TTL inputs: PRR
≤
10 MHz, ZO = 50
, tr
≤
2.5 ns,
tf
≤
2.5 ns; BTL inputs: 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.
Figure 2. Load Circuit and Voltage Waveforms
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