74HC244D NXP Semiconductors, 74HC244D Datasheet - Page 10
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74HC244D
Manufacturer Part Number
74HC244D
Description
Buffer/Line Driver 8-CH Non-Inverting 3-ST CMOS 20-Pin SO Bulk
Manufacturer
NXP Semiconductors
Datasheet
1.74HCT244D653.pdf
(22 pages)
Specifications of 74HC244D
Package
20SO
Logic Family
HC
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
110@2V|22@4.5V|19@6V ns
Polarity
Non-Inverting
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
74HC244D
Manufacturer:
PHILIPS
Quantity:
20 000
Part Number:
74HC244D,653
Manufacturer:
NEXPERIA/安世
Quantity:
20 000
Part Number:
74HC244D-T
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Company:
Part Number:
74HC244DB
Manufacturer:
ON
Quantity:
50 000
Part Number:
74HC244DB
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Company:
Part Number:
74HC244DTR2G
Manufacturer:
ON Semiconductor
Quantity:
850
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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