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參數(shù)資料
| 型號(hào)： | M54HCT160F1R |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | CONNECTOR ACCESSORY |
| 中文描述： | 連接器附件 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 329K |
| 代理商： | M54HCT160F1R |
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M54/74HCT160/161
M54/74HCT162/163
October 1993
SYNCHRONOUS PRESETTABLE 4-BIT COUNTER
LOWPOWER DISSIPATION
I
CC
= 4
μ
A(MAX.) AT 25
°
C
.
OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
.
BALANCEDPROPAGATION DELAYS
t
PLH
= t
PHL
.
SYMMETRICAL OUTPUT IMPEDANCE
I
OH
= I
OL
= 4 mA (MIN.)
.
COMPATIBLE WITHTTL OUTPUTS
V
IH
= 2V (MIN.); V
IL
= 0.8V (MAX.)
.
PIN ANDFUNCTION COMPATIBLE
WITH 54/74LS160
～
163
B1R
(Plastic Package)
ORDER CODES :
M54HCTXXXF1R
M74HCTXXXB1R
M74HCTXXXM1R
M74HCTXXXC1R
F1R
(CeramicPackage)
M1R
(MicroPackage)
C1R
(Chip Carrier)
PIN CONNECTIONS
(top view)
NC =
No Inter-
nal Con-
DESCRIPTION
M54/74HCT160 Decade, Asynchronous Clear
M54/74HCT161 Binary, Asynchronous Clear
M54/74HCT162 Decade, Synchronous Clear
M54/74HCT163 Binary, Synchronous Clear
The M54/74HCT160, 161, 162 and 163 are high
speed CMOS SYNCHRONOUS PRESETTABLE
COUNTERS fabricated with silicon gate C
2
MOS
technology. They have the same high speed oper-
ation similar to equivalent LSTTL while maintaining
the CMOSlow powerdissipation.
The M54/74HCT160/162 areBCDDecade counter-
s and the M54/74HCT161/163 are 4 bit binary
counters. The CLOCK input is active on the rising
edge. Both LOAD and CLEAR inputs are active
Low.
Presetting of all four IC’s is synchronous on the ris-
ing edge of the CLOCK. The function on the
M54/74HCT162/163 is synchronous to CLOCK,
whilethe M54/74HCT160/161 counters arecleared
asynchronously. Two enable inputs (TE and PE)
andCARRYoutputareprovidedtoenableeasycas-
cadingof counters, which facilities easy implemen-
tationof N-bitcounters without using externalgates.
This integrated circuit has input and output charac-
teristics that are fully compatible with 54/74 LSTTL
logic families. M54/74HCT devices are designed to
directly interface HSC
2
MOS systems with TTL and
NMOS components. They are also plugin replace-
ments for LSTTL devices giving a reduction of
power consumption. All inputs are equipped with
.
HIGH SPEED
f
MAX
= 50 MHz (TYP.) AT V
CC
= 5 V
1/16
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