74AHC244BQ,115 NXP Semiconductors, 74AHC244BQ,115 Datasheet - Page 10

• Manufacturer Part Number: 74AHC244BQ,115
• Description: IC BUFF/DVR TRI-ST DUAL 20QFN
• Manufacturer: NXP Semiconductors
• Series: 74AHCr

Specifications of 74AHC244BQ,115

• Logic Type: Buffer/Line Driver, Non-Inverting
• Package / Case: 20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
• Number Of Elements: 2
• Number Of Bits Per Element: 4
• Current - Output High, Low: 8mA, 8mA
• Voltage - Supply: 2 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Logic Family: AHC
• Number Of Channels Per Chip: Octal
• Polarity: Non-Inverting
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• High Level Output Current: - 8 mA
• Low Level Output Current: 8 mA
• Maximum Power Dissipation: 500 mW
• Minimum Operating Temperature: - 40 C
• Output Current: 25 mA
• Output Type: 3-State
• Propagation Delay Time: 11.9 ns @ 3 V to 3.6 V or 7.5 ns @ 4.5 V to 5.5 V
• Number Of Lines (input / Output): 8 / 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: 74AHC244BQ-G; 74AHC244BQ-G; 935285537115

NXP Semiconductors
Table 9.
74AHC_AHCT244_5
Product data sheet
Type
74AHC244
74AHCT244
Fig 8. Load circuitry for switching times
Test data is given in
Definitions test circuit:
R
C
R
S1 = Test selection switch
T
L
L
Test data
= Load capacitance including jig and probe capacitance
= Load resistor
= Termination resistance should be equal to output impedance Z
Input
V
V
3.0 V
I
CC
Table
GENERATOR
9.
t
3.0 ns
3.0 ns
PULSE
r
negative
, t
positive
f
pulse
pulse
0 V
0 V
V
V
I
I
90 %
10 %
Load
C
15 pF, 50 pF
15 pF, 50 pF
V I
L
Rev. 05 — 20 December 2007
t
t
r
f
V
V
M
M
R T
10 %
90 %
DUT
V
CC
t
t
R
1 k
1 k
W
W
L
74AHC244; 74AHCT244
V O
o
of the pulse generator
V
V
M
M
C L
S1 position
t
open
open
PHL
t
t
r
f
R L
, t
PLH
S1
001aad983
V
Octal buffer/line driver; 3-state
CC
open
t
GND
GND
PZH
, t
PHZ
© NXP B.V. 2007. All rights reserved.
t
V
V
PZL
CC
CC
, t
PLZ
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