74HCT244BQ,115 NXP Semiconductors, 74HCT244BQ,115 Datasheet - Page 10

• Manufacturer Part Number: 74HCT244BQ,115
• Description: IC BUFF/DVR TRI-ST DUAL 20QFN
• Manufacturer: NXP Semiconductors
• Series: 74HCTr

Specifications of 74HCT244BQ,115

• Package / Case: 20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
• Logic Type: Buffer/Line Driver, Non-Inverting
• Number Of Elements: 2
• Number Of Bits Per Element: 4
• 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: HCT
• Number Of Channels Per Chip: 8
• Polarity: Non-Inverting
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• High Level Output Current: - 6 mA
• Input Bias Current (max): 8 uA
• Low Level Output Current: 6 mA
• Maximum Power Dissipation: 500 mW
• Minimum Operating Temperature: - 40 C
• Output Current: 35 mA
• Output Type: 3-State
• Propagation Delay Time: 22 ns @ 4.5 V
• Number Of Lines (input / Output): 8 / 8
• Logical Function: Buffer/Line Driver
• Number Of Elements: 2
• Number Of Channels: 8
• Number Of Inputs: 8
• Number Of Outputs: 8
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• Quiescent Current: 8uA
• Technology: CMOS
• Pin Count: 20
• Mounting: Surface Mount
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 74HCT244BQ-G; 74HCT244BQ-G; 935273729115

Philips Semiconductors
11. Dynamic characteristics
Table 9:
GND = 0 V; t
74HC_HCT244_3
Product data sheet
Symbol Parameter
T
t
t
t
t
t
t
t
t
C
T
t
t
t
t
t
t
t
t
PHL
PLH
PZH
PZL
PHZ
PLZ
THL
TLH
PHL
PLH
PZH
PZL
PHZ
PLZ
THL
TLH
amb
amb
PD
,
,
,
,
,
,
,
,
= 25 C
= 40 C to +85 C
propagation delay nAn to nYn see
3-state output enable time
nOE to nYn
3-state output disable time
nOE to nYn
output transition time
power dissipation
capacitance
propagation delay nAn to nYn see
3-state output enable time
nOE to nYn
3-state output disable time
nOE to nYn
output transition time
Dynamic characteristics 74HC244
r
= t
f
= 6 ns; C
L
= 50 pF unless otherwise specified; for test circuit see
Conditions
see
see
see
V
see
see
see
I
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
= GND to V
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
Figure 6
Figure 7
Figure 7
Figure 6
Figure 6
Figure 7
Figure 7
Figure 6
Rev. 03 — 22 December 2005
= 2.0 V
= 4.5 V
= 5 V; C
= 6.0 V
= 2.0 V
= 4.5 V
= 6.0 V
= 2.0 V
= 4.5 V
= 6.0 V
= 2.0 V
= 4.5 V
= 6.0 V
= 2.0 V
= 4.5 V
= 6.0 V
= 2.0 V
= 4.5 V
= 6.0 V
= 2.0 V
= 4.5 V
= 6.0 V
= 2.0 V
= 4.5 V
= 6.0 V
CC
L
= 15 pF
74HC244; 74HCT244
[1]
Min
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Figure
Octal buffer/line driver; 3-state
8.
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Typ
30
11
9
9
36
13
10
39
14
11
14
5
4
35
-
-
-
-
-
-
-
-
-
-
-
-
Max
110
22
-
19
150
30
26
150
30
26
60
12
10
-
145
28
24
190
38
33
190
38
33
75
15
13
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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