74VHCT138AM Datasheet

  • 74VHCT138AM

  • 3 TO 8 LINE DECODER INVERTING

  • 67.25KB

  • 8页

  • STMICROELECTRONICS   STMICROELECTRONICS

扫码查看芯片数据手册

上传产品规格书

PDF预览

74VHCT138A
3 TO 8 LINE DECODER (INVERTING)
PRELIMINARY DATA
s
s
s
s
s
s
s
s
s
s
HIGH SPEED: t
PD
= 7.6 ns (TYP.) at V
CC
= 5V
LOW POWER DISSIPATION:
I
CC
= 4
碌A
(MAX.) at T
A
= 25
o
C
COMPATIBLE WITH TTL OUTPUTS:
V
IH
= 2V (MIN), V
IL
= 0.8V (MAX)
POWER DOWN PROTECTION ON INPUTS &
OUTPUTS
SYMMETRICAL OUTPUT IMPEDANCE:
|I
OH
| = I
OL
= 8 mA (MIN)
BALANCED PROPAGATION DELAYS:
t
PLH
鈮?/div>
t
PHL
OPERATING VOLTAGE RANGE:
V
CC
(OPR) = 4.5V to 5.5V
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 138
IMPROVED LATCH-UP IMMUNITY
LOW NOISE: V
OLP
= 0.8V (Max.)
SOP
PACKAGE
SOP
TSSOP
T UBE
74VHCT138AM
TSSOP
T& R
74VHCT138AMTR
74VHCT138ATTR
ORDER CODES
DESCRIPTION
The 74VHCT138A is an advanced high-speed
CMOS 3 TO 8 LINE DECODER (INVERTING)
fabricated with sub-micron silicon gate and
double-layer metal wiring C
2
MOS technology.
If the device is enabled, 3 binary select inputs (A,
B and C) determine which one of the outputs will
go low. If enable input G1 is held low or either
G2A or G2B is held high, the decoding function is
inhibited and all the 8 outputs go to high.
Three enable inputs are provided to ease
cascade connection and application of address
decoders for memory systems.
Power down protection is provided on all inputs
and outputs and 0 to 7V can be accepted on
inputs with no regard to the supply voltage. This
device can be used to interface 5V to 3V.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
March 2000
1/8

74VHCT138AM 产品属性

  • 48

  • 集成电路 (IC)

  • 逻辑 - 信号开关,多路复用器,解码器

  • 74VHCT

  • 解码器/多路分解器

  • 1 x 3:8

  • 1

  • 8mA,8mA

  • 单电源

  • 4.5 V ~ 5.5 V

  • -40°C ~ 85°C

  • 表面贴装

  • 16-SOIC(0.154",3.90mm 宽)

  • 16-SOIC

  • 管件

74VHCT138AM相关型号PDF文件下载

扫码下载APP,
一键连接广大的电子世界。

在线人工客服

买家服务:
卖家服务:
技术客服:

0571-85317607

网站技术支持

13606545031

客服在线时间周一至周五
9:00-17:30

关注官方微信号,
第一时间获取资讯。

建议反馈

联系人:

联系方式:

按住滑块,拖拽到最右边
>>
感谢您向阿库提出的宝贵意见,您的参与是维库提升服务的动力!意见一经采纳,将有感恩红包奉上哦!