74HCT640DB,112 NXP Semiconductors, 74HCT640DB,112 Datasheet - Page 5
74HCT640DB,112
Manufacturer Part Number
74HCT640DB,112
Description
IC TRANSCEIVER 3ST 8BIT 20SSOP
Manufacturer
NXP Semiconductors
Series
74HCTr
Datasheets
1.74HCT4046ADB112.pdf
(19 pages)
2.74HCT4046ADB112.pdf
(23 pages)
3.74HCT640D653.pdf
(6 pages)
Specifications of 74HCT640DB,112
Logic Type
Transceiver, Inverting
Package / Case
20-SSOP
Number Of Elements
1
Number Of Bits Per Element
8
Current - Output High, Low
6mA, 6mA
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Logic Family
74HCT
Number Of Channels Per Chip
8
Input Level
TTL
Output Level
TTL
Output Type
3-State
High Level Output Current
- 6 mA
Low Level Output Current
6 mA
Propagation Delay Time
9 ns
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Maximum Operating Temperature
+ 125 C
Function
Inverting
Input Bias Current (max)
8 uA
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Polarity
Inverting
Number Of Circuits
8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
568-2896-5
935190190112
935190190112
Philips Semiconductors
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
Output capability: bus driver
I
Note to HCT types
The value of additional quiescent supply current ( I
To determine I
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
March 1988
CC
INPUT
A
B
OE
DIR
t
t
t
t
SYMBOL
PHL
PZH
PHZ
THL
n
n
Octal bus transceiver; 3-state; inverting
category: MSI
/ t
/ t
/ t
/ t
TLH
PLH
PZL
PLZ
propagation delay
3-state output enable time
3-state output disable time
output transition time
r
A
B
OE, DIR to A
OE, DIR to B
OE, DIR to A
OE, DIR to B
= t
UNIT LOAD COEFFICIENT
1.50
1.50
1.50
0.90
n
n
CC
f
to B
to A
= 6 ns; C
per input, multiply this value by the unit load coefficient shown in the table below.
PARAMETER
n
n
;
L
n
n
n
n
;
;
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
min. typ. max. min. max. min. max.
11
18
19
5
+25
CC
) for a unit load of 1 is given in the family specifications.
22
30
30
12
5
T
74HCT
amb
40 to +85
( C)
28
38
38
15
40 to +125
33
45
45
18
.
ns
ns
ns
ns
UNIT
74HC/HCT640
4.5
4.5
4.5
4.5
TEST CONDITIONS
V
(V)
Product specification
CC
Fig.5
Fig.6
Fig.6
Fig.5
WAVEFORMS