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74HC2G126DC Schematic ( PDF Datasheet ) - NXP Semiconductors

Teilenummer 74HC2G126DC
Beschreibung Dual buffer/line driver
Hersteller NXP Semiconductors
Logo NXP Semiconductors Logo 




Gesamt 15 Seiten
74HC2G126DC Datasheet, Funktion
74HC2G126; 74HCT2G126
Dual buffer/line driver; 3-state
Rev. 5 — 18 December 2013
Product data sheet
1. General description
The 74HC2G126; 74HCT2G126 is a dual buffer/line driver with 3-state outputs controlled
by the output enable inputs (nOE). Inputs include clamp diodes. This enables the use of
current limiting resistors to interface inputs to voltages in excess of VCC.
2. Features and benefits
Wide operating voltage from 2.0 V to 6.0 V
Input levels:
For 74HC2G126: CMOS level
For 74HCT2G126: TTL level
Complies with JEDEC standard no. 7A
Symmetrical output impedance
High noise immunity
Low power dissipation
Balanced propagation delays
ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V
Multiple package options
Specified from 40 C to +85 C and 40 C to +125 C
3. Ordering information
Table 1. Ordering information
Type number
Package
Temperature range Name
74HC2G126DP 40 C to +125 C TSSOP8
74HCT2G126DP
74HC2G126DC 40 C to +125 C VSSOP8
74HCT2G126DC
74HC2G126GD 40 C to +125 C XSON8
74HCT2G126GD
Description
plastic thin shrink small outline package; 8 leads;
body width 3 mm; lead length 0.5 mm
Version
SOT505-2
plastic very thin shrink small outline package; 8 leads; SOT765-1
body width 2.3 mm
plastic extremely thin small outline package; no leads; SOT996-2
8 terminals; body 3 2 0.5 mm






74HC2G126DC Datasheet, Funktion
NXP Semiconductors
74HC2G126; 74HCT2G126
Dual buffer/line driver; 3-state
Table 8. Dynamic characteristics …continued
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 8.
Symbol Parameter Conditions
Tamb = 40 C to +85 C Tamb = 40 C to +125 C Unit
Min Typ[1] Max
Min
Max
ten enable time nOE to nY; see Figure 7
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
tdis disable time nOE to nY; see Figure 7
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
tt transition nY; see Figure 6
time
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
CPD power
per buffer; VI = GND to VCC
dissipation
capacitance
output enabled
output disabled
[2]
-
-
-
[2]
-
-
-
[2]
-
-
-
[3]
-
-
40 115
11 23
8 20
25 125
12 25
10 21
18 75
6 15
5 13
11 -
1-
-
-
-
-
-
-
-
-
-
-
-
135 ns
27 ns
23 ns
150 ns
30 ns
26 ns
90 ns
18 ns
15 ns
- pF
- pF
74HCT2G126
tpd propagation nA to nY; see Figure 6
delay
VCC = 4.5 V
[2]
-
15 30
VCC = 5.0 V; CL = 15 pF
- 12 -
ten enable time nOE to nY; see Figure 7;
VCC = 4.5 V
[2] -
11 31
tdis disable time nOE to nY; see Figure 7;
VCC = 4.5 V
[2] -
11 35
tt
transition nY; see Figure 6; VCC = 4.5 V
[2] -
6 15
time
-
-
-
-
-
36 ns
- ns
38 ns
42 ns
18 ns
CPD power
per buffer;
dissipation VI = GND to VCC 1.5 V
capacitance output enabled
[3]
- 11 -
-
- pF
output disabled
-1 -
-
- pF
[1] All typical values are measured at Tamb = 25 C.
[2] tpd is the same as tPLH and tPHL.
ten is the same as tPZL and tPZH.
tdis is the same as tPLZ and tPHZ.
tt is the same as tTHL and tTLH.
[3] CPD is used to determine the dynamic power dissipation (PD in W).
PD = CPD VCC2 fi N + (CL VCC2 fo) where:
fi = input frequency in MHz;
fo = output frequency in MHz;
CL = output load capacitance in pF;
VCC = supply voltage in V;
N = number of inputs switching;
(CL VCC2 fo) = sum of outputs.
74HC_HCT2G126
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 18 December 2013
© NXP B.V. 2013. All rights reserved.
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74HC2G126DC pdf, datenblatt
NXP Semiconductors
74HC2G126; 74HCT2G126
Dual buffer/line driver; 3-state
14. Abbreviations
Table 11. Abbreviations
Acronym
Description
CMOS
Complementary Metal Oxide Semiconductor
DUT
Device Under Test
ESD
ElectroStatic Discharge
HBM
Human Body Model
MM Machine Model
15. Revision history
Table 12. Revision history
Document ID
Release date Data sheet status
Change notice
Supersedes
74HC_HCT2G126 v.5
Modifications:
20131218
Product data sheet
-
74HC_HCT2G126 v.4
For type numbers 74HC2G126GD and 74HCT2G126GD XSON8U has changed to XSON8.
74HC_HCT2G126 v.4
Modifications:
20090924
Product data sheet
Table 2: Marking codes table added.
-
74HC_HCT2G126 v.3
74HC_HCT2G126 v.3 20090507
Product data sheet
-
74HC_HCT2G126 v.2
74HC_HCT2G126 v.2 20051215
Product data sheet
-
74HC_HCT2G126 v.1
74HC_HCT2G126 v.1 20030303
Product data sheet
-
-
74HC_HCT2G126
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 18 December 2013
© NXP B.V. 2013. All rights reserved.
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