74HCT244D NXP Semiconductors, 74HCT244D Datasheet - Page 6

• Manufacturer Part Number: 74HCT244D
• Description: Buffer/Line Driver 8-CH Non-Inverting 3-ST CMOS 20-Pin SO Bulk
• Manufacturer: NXP Semiconductors

Specifications of 74HCT244D

• Package: 20SO
• Logic Family: HCT
• Logic Function: Buffer/Line Driver
• Number Of Outputs Per Chip: 8
• Output Type: 3-State
• Input Signal Type: Single-Ended
• Maximum Propagation Delay Time @ Maximum Cl: 22@4.5V ns
• Polarity: Non-Inverting
• Logic Device Type: Buffer/Line Driver, Non Inverting
• Supply Voltage Range: 4.5V To 5.5V
• Logic Case Style: SOIC
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +125°C
• No. Of Circuits: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Philips Semiconductors
9. Recommended operating conditions
10. Static characteristics
Table 7:
At recommended operating conditions; voltages are referenced to GND (ground = 0V).
74HC_HCT244_3
Product data sheet
Symbol
T
V
V
V
amb
IH
IL
OH
= 25 C
Static characteristics 74HC244
Parameter
HIGH-state input voltage
LOW-state input voltage
HIGH-state output voltage
[1]
[2]
[3]
[4]
Table 6:
Symbol
74HC244
V
V
V
T
t
74HCT244
V
V
V
T
t
r
r
, t
, t
amb
amb
CC
I
O
CC
I
O
f
f
For DIP20 package: P
For SO20 package: P
For SSOP20 and TSSOP20 packages: P
For DHVQFN20 packages: P
Parameter
supply voltage
input voltage
output voltage
ambient temperature
input rise and fall time
supply voltage
input voltage
output voltage
ambient temperature
input rise and fall time
Recommended operating conditions
Conditions
V
V
V
V
V
V
V
CC
CC
CC
CC
CC
CC
I
I
I
I
I
I
= V
Rev. 03 — 22 December 2005
O
O
O
O
O
tot
tot
= 2.0 V
= 4.5 V
= 6.0 V
= 2.0 V
= 4.5 V
= 6.0 V
= 6.0 mA; V
= 7.8 mA; V
= 20 A; V
= 20 A; V
= 20 A; V
derates linearly with 8 mW/K above 70 C.
derates linearly with 12 mW/K above 70 C.
IH
or V
tot
derates linearly with 4.5 mW/K above 60 C.
IL
CC
CC
CC
Conditions
V
V
V
V
CC
CC
CC
CC
CC
CC
= 2.0 V
= 4.5 V
= 6.0 V
tot
= 4.5 V
= 6 V
= 2.0 V
= 4.5 V
= 6.0 V
= 4.5 V
derates linearly with 5.5 mW/K above 60 C
74HC244; 74HCT244
Octal buffer/line driver; 3-state
Min
2.0
0
0
-
-
-
4.5
0
0
-
Min
1.5
3.15
4.2
-
-
-
-
1.9
4.4
5.9
3.98
5.48
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
40
40
Typ
5.0
-
-
25
-
6.0
-
5.0
-
-
25
6.0
Typ
1.2
2.4
3.2
0.8
2.1
2.8
-
2.0
4.5
6.0
4.32
5.81
Max
6.0
V
V
+125
1000
500
400
5.5
V
V
+125
500
Max
-
-
-
0.5
1.35
1.8
-
-
-
-
-
-
CC
CC
CC
CC
Unit
V
V
V
ns
ns
ns
V
V
V
ns
Unit
V
V
V
V
V
V
V
V
V
V
V
C
C
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