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參數(shù)資料
| 型號： | 74F2373 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal transparent latch with 30Ωequivalent output termination (3-State)(帶30Ω等值輸出終端電阻的八透明鎖存器（三態(tài)）) |
| 中文描述： | 八路透明鎖存30Ωequivalent輸出端接（3態(tài)）（帶30Ω等值輸出終端電阻的八透明鎖存器（三態(tài)）） |
| 文件頁數(shù)： | 6/10頁 |
| 文件大?。?/td> | 84K |
| 代理商： | 74F2373 |
Philips Semiconductors
Octal transparent latch with 30
equivalent output
termination (3-State)
Product specification
74F2373
1999 Feb 01
6
AC WAVEFORMS (Continued)
For all waveforms, V
M
= 1.5V.
The shaded areas indicate when the input is permitted to change for
predictable output performance.
V
M
V
M
V
M
t
PLZ
t
PZL
V
OL
+0.3V
OEn
Qn, Qn
SF00264
Waveform 5. 3-State output enable time to low level
and output disable time from low level
TEST CIRCUIT AND WAVEFORMS
SWITCH POSITION
TEST
SWITCH
closed
open
All other
t
w
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
NEGATIVE
PULSE
POSITIVE
PULSE
t
w
AMP (V)
0V
0V
t
THL (
t
f
)
INPUT PULSE REQUIREMENTS
rep. rate
t
w
t
TLH
t
THL
2.5ns
1MHz
500ns 2.5ns
Input pulse definition
V
CC
family
74F
D.U.T.
GENERATOR
R
L
C
L
R
T
V
IN
V
OUT
Test circuit for 3-state outputs
t
THL (
t
f
)
t
TLH (
t
r
)
t
TLH (
t
r
)
AMP (V)
amplitude
3.0V
1.5V
V
M
R
L
7.0V
t
PLZ
, t
PZL
DEFINITIONS:
Load resistor; see AC electrical characteristics for value.
Load capacitance includes jig and probe capacitance;
see AC electrical characteristics for value.
Termination resistance should be equal to Z
OUT
of pulse
generators.
SF00265
PULSE
R
L =
C
L =
R
T =
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