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參數(shù)資料
| 型號： | HD74HCT237 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 3-to-8-line Decoder/Demultiplexer with Address Latch |
| 中文描述： | 3至8線解碼器/解復(fù)用器的地址鎖存器 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大小： | 57K |
| 代理商： | HD74HCT237 |
HD74HCT237
4
AC Characteristics
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Ta = 25
°
C
Ta = –40 to
+85
°
C
Test Conditions
Item
Symbol
Min Typ Max Min
Max
Unit
V
CC
(V)
4.5
Propagation delay t
PLH
time
—
21
37
—
46
ns
A, B or C to Y
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
w
t
su
t
h
t
TLH
t
THL
Cin
—
25
37
—
46
4.5
—
18
29
—
36
ns
4.5
G
2
to Y
—
14
29
—
36
4.5
—
16
29
—
36
ns
4.5
G
1
to Y
—
18
29
—
36
4.5
—
22
38
—
48
ns
4.5
GL
to Y
—
27
38
—
48
4.5
Pulse width
16
8
—
20
—
ns
4.5
Setup time
20
6
—
25
—
ns
4.5
Hold time
5
–1
—
5
—
ns
4.5
Output rise/fall
time
—
5
15
—
19
ns
4.5
Input capacitance
—
5
10
—
10
pF
—
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD74HCT238 | Replaced by SN54ALS373A : Octal D-Type Transparent Latches with 3-state Outputs 20-CDIP -55 to 125 |
| HD74HCT240 | Octal Buffers/Line Drivers/Line Receivers(with inverted 3-state outputs) |
| HD74HCT241 | Replaced by SN54ALS373A : Octal D-Type Transparent Latches with 3-state Outputs 20-LCCC -55 to 125 |
| HD74HCT242 | Quad. Bus Transceivers (with 3-state outputs) |
| HD74HCT243 | Quad. Bus Transceivers (with 3-state outputs) |
相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| HD74HCT240P | 制造商:HITACHI 功能描述: |
| HD74HCT244FP-E | 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-20 |
| HD74HCT244FPEL-E | 制造商:Renesas Electronics Corporation 功能描述:Logic, 74HC series, SOP-20 |
| HD74HCT373FP(E) | 制造商:Renesas Electronics 功能描述:Bulk |
| HD74HCT373-T | 制造商:Renesas Electronics Corporation 功能描述: |
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