參數(shù)資料
型號(hào): 74HCT7540
廠(chǎng)商: NXP Semiconductors N.V.
英文描述: Dual 4-Input Positive-AND Gates 14-SOIC -40 to 85
中文描述: 雙4輸入正與門(mén),14-SOIC封裝,工作溫度-40℃到85℃
文件頁(yè)數(shù): 7/7頁(yè)
文件大小: 55K
代理商: 74HCT7540
December 1990
7
Philips Semiconductors
Product specification
Octal Schmitt trigger buffer/line driver;
3-state; inverting
74HC/HCT7540
TRANSFER CHARACTERISTIC WAVEFORMS
Fig.6 Transfer characteristic.
Fig.7
Waveforms showing the definition of V
T
+
,
V
T
and V
H
.
AC WAVEFORMS
PACKAGE OUTLINES
See
“74HC/HCT/HCU/HCMOS Logic Package Outlines”
.
Fig.8 Waveforms showing the input (A
n
) to output (Y
n
) propagation delays and the output transition times.
(1) HC : V
M
= 50%; V
I
= GND to V
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
Fig.9 Waveforms showing the 3-state enable and disable times.
(1) HC : V
M
= 50%; V
I
= GND to V
.
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
相關(guān)PDF資料
PDF描述
74HC7541 Octal Schmitt trigger buffer/line driver; 3-state
74HCT7541 Dual 4-Input Positive-AND Gates 14-SOIC -40 to 85
74HC7597 8-bit shift register with input latches
74HCT7597 Dual 4-Input Positive-AND Gates 14-SOIC -40 to 85
74HC7731 Quad 64-bit static shift register
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