74AHC1G126GV-74AHC1G126GW-74AHCT1G126GW Fast Delivery |IC PHOENIX CO.,LIMITED

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74AHC1G126GV-74AHC1G126GW-74AHCT1G126GW
Bus buffer/line driver; 3-state
1. General description
74AHC1G126 and 74AHCT1G126 are high-speed Si-gate CMOS devices. They provide
one non-inverting buffer/line driver with 3-state output. The 3-state output is controlled by
the output enable input pin (OE). A LOW at pin OE causes the output to assume a
high-impedance OFF-state.
The AHC device has CMOS input switching levels and supply voltage range 2 V to 5.5 V.
The AHCT device has TTL input switching levels and supply voltage range 4.5 V to 5.5 V.
2. Features and benefits Symmetrical output impedance High noise immunity Low power dissipation Balanced propagation delays Multiple package options ESD protection: HBM JESD22-A114F: exceeds 2000V MM JESD22-A115-A: exceeds 200 V CDM JESD22-C101E: exceeds 1000V Specified from 40 C to +125C
3. Ordering information
74AHC1G126; 74AHCT1G126
Bus buffer/line driver; 3-state
Rev. 8 — 23 August 2012 Product data sheet
Table 1. Ordering information
74AHC1G126GW 40 C to +125 C TSSOP5 plastic thin shrink small outline package; 5 leads;
body width 1.25 mm
SOT353-1
74AHCT1G126GW
74AHC1G126GV 40 C to +125 C SC-74A plastic surface-mounted package; 5 leads SOT753
74AHCT1G126GV
74AHC1G126GM 40 C to +125 C XSON6 plastic extremely thin small outline package; no
leads; 6 terminals; body 1  1.45  0.5 mm
SOT886
74AHCT1G126GM
74AHC1G126GF 40 C to +125 C XSON6 plastic extremely thin small outline package; leads; 6 terminals; body 11 0.5 mm
SOT891
74AHCT1G126GF
NXP Semiconductors 74AHC1G126; 74AHCT1G126
Bus buffer/line driver; 3-state
4. Marking
[1] The pin 1 indicator is located on the lower left corner of the device, below the marking code.
5. Functional diagram
6. Pinning information
6.1 Pinning
Table 2. Marking codes
74AHC1G126GW AN
74AHCT1G126GW CN
74AHC1G126GV A26
74AHCT1G126GV C26
74AHC1G126GM AN
74AHCT1G126GM CN
74AHC1G126GF AN
74AHCT1G126GF CN
NXP Semiconductors 74AHC1G126; 74AHCT1G126
Bus buffer/line driver; 3-state
6.2 Pin description
7. Functional description
8. Limiting values
[1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2] For TSSOP5 and SC-74A packages: above 87.5 C the value of Ptot derates linearly with 4.0 mW/K.
For XSON6 packages: above 118 C the value of Ptot derates linearly with 7.8 mW/K.
Table 3. Pin description 1 1 output enable input 2 2 data input A
GND 3 3 ground (0 V) 4 4 data output Y
n.c. - 5 not connected
VCC 5 6 supply voltage
Table 4. Function table
H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state L
HHH Z
Table 5. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
VCC supply voltage 0.5 +7.0 V input voltage 0.5 +7.0 V
IIK input clamping current VI < 0.5 V [1] 20 - mA
IOK output clamping current VO < 0.5 V or VO >VCC +0.5V [1]- 20 mA output current 0.5 V < VO ICC supply current - 75 mA
IGND ground current 75 - mA
Tstg storage temperature 65 +150 C
Ptot total power dissipation Tamb = 40Cto +125 C [2]- 250 mW
NXP Semiconductors 74AHC1G126; 74AHCT1G126
Bus buffer/line driver; 3-state
9. Recommended operating conditions
10. Static characteristics
Table 6. Recommended operating conditions
Voltages are referenced to GND (ground = 0 V).
VCC supply voltage 2.0 5.0 5.5 4.5 5.0 5.5 V input voltage 0 - 5.5 0 - 5.5 V output voltage 0 - VCC 0- VCC V
Tamb ambient temperature 40 +25 +125 40 +25 +125 C
t/V input transition rise
and fall rate
VCC = 3.3 V  0.3 V - - 100 - - - ns/V
VCC = 5.0 V  0.5 V - - 20 - - 20 ns/V
Table 7. Static characteristics
Voltages are referenced to GND (ground = 0 V).
74AHC1G126
VIH HIGH-level
input voltage
VCC = 2.0 V 1.5 - - 1.5 - 1.5 - V
VCC = 3.0 V 2.1 - - 2.1 - 2.1 - V
VCC = 5.5 V 3.85- - 3.85 - 3.85 - V
VIL LOW-level
input voltage
VCC = 2.0 V - - 0.5 - 0.5 - 0.5 V
VCC = 3.0 V - - 0.9 - 0.9 - 0.9 V
VCC = 5.5 V - - 1.65 - 1.65 - 1.65 V
VOH HIGH-level
output voltage = VIH or VIL = 50 A; VCC= 2.0 V 1.9 2.0 - 1.9 - 1.9 - V = 50 A; VCC= 3.0 V 2.9 3.0 - 2.9 - 2.9 - V = 50 A; VCC= 4.5 V 4.4 4.5 - 4.4 - 4.4 - V = 4.0 mA; VCC= 3.0 V 2.58- - 2.48 - 2.40 - V = 8.0 mA; VCC= 4.5 V 3.94- - 3.8 - 3.70 - V
VOL LOW-level
output voltage = VIH or VIL = 50 A; VCC= 2.0 V - 0 0.1 - 0.1 - 0.1 V = 50 A; VCC= 3.0 V - 0 0.1 - 0.1 - 0.1 V = 50 A; VCC= 4.5 V - 0 0.1 - 0.1 - 0.1 V = 4.0 mA; VCC= 3.0 V - - 0.36 - 0.44 - 0.55 V = 8.0 mA; VCC= 4.5 V - - 0.36 - 0.44 - 0.55 V
IOZ OFF-state
output current = VIH or VIL; VO = VCC or
GND; VCC =5.5V 0.25- 2.5 - 10 A input leakage
current= 5.5 Vor GND;
VCC =0Vto5.5V - 0.1 - 1.0 - 2.0 A
ICC supply currentVI =VCCor GND; IO = 0 A;
VCC =5.5 V - 2.0 - 20 - 40 A
NXP Semiconductors 74AHC1G126; 74AHCT1G126
Bus buffer/line driver; 3-state
11. Dynamic characteristics input
capacitance 3 10 - 10 - 10 pF
74AHCT1G126
VIH HIGH-level
input voltage
VCC = 4.5 V to 5.5 V 2.0 - - 2.0 - 2.0 - V
VIL LOW-level
input voltage
VCC = 4.5 V to 5.5 V - - 0.8 - 0.8 - 0.8 V
VOH HIGH-level
output voltage = VIH or VIL; VCC= 4.5 V = 50A 4.4 4.5 - 4.4 - 4.4 - V = 8.0 mA 3.94- - 3.8 - 3.70 - V
VOL LOW-level
output voltage = VIH or VIL; VCC= 4.5 V = 50A - 0 0.1 - 0.1 - 0.1 V = 8.0 mA - - 0.36 - 0.44 - 0.55 V
IOZ OFF-state
output current = VIH or VIL; VO = VCC or
GND; VCC =5.5V 0.25- 2.5 - 10 A input leakage
current= 5.5 Vor GND;
VCC =0Vto5.5V - 0.1 - 1.0 - 2.0 A
ICC supply currentVI =VCCor GND; IO = 0 A;
VCC =5.5 V - 2.0 - 20 - 40 A
ICC additional
supply current
per input pin; =VCC 2.1V;
other inputs at VCCor GND; =0 A;
VCC= 4.5Vto 5.5V - 1.35 - 1.5 - 1.5 mA input
capacitance 3 10 - 10 - 10 pF
Table 7. Static characteristics …continued
Voltages are referenced to GND (ground = 0 V).
Table 8. Dynamic characteristics
GND = 0 V; For test circuit see Figure9.
74AHC1G126
tpd propagation
delay
AtoY; see Figure7 [1]
VCC = 3.0 V to 3.6 V [2]=15pF - 4.4 8.0 1.0 9.5 1.0 10.0 ns=50pF - 6.3 11.5 1.0 13.0 1.0 14.5 ns
VCC = 4.5 V to 5.5 V [3]=15pF - 3.4 5.5 1.0 6.5 1.0 7.0 ns=50pF - 4.7 7.5 1.0 8.5 1.0 9.5 ns
NXP Semiconductors 74AHC1G126; 74AHCT1G126
Bus buffer/line driver; 3-state
ten enable time OE to Y; see Figure8 [1]
VCC = 3.0 V to 3.6 V [2]=15pF - 4.9 8.0 1.0 9.5 1.0 10.0 ns=50pF - 7.0 11.5 1.0 13.0 1.0 14.5 ns
VCC = 4.5 V to 5.5 V [3]=15pF - 3.6 5.6 1.0 6.3 1.0 7.0 ns=50pF - 5.4 8.0 1.0 9.0 1.0 9.5 ns
tdis disable time OE to Y; see Figure8 [1]
VCC = 3.0 V to 3.6 V [2]=15pF - 6.3 9.7 1.0 11.5 1.0 12.5 ns=50pF - 9.0 13.2 1.0 15.0 1.0 16.5 ns
VCC = 4.5 V to 5.5 V [3]=15pF - 4.3 6.8 1.0 8.0 1.0 8.5 ns=50pF - 6.1 8.8 1.0 10.0 1.0 11.0 ns
CPD power
dissipation
capacitance
per buffer; =50pF;f= 1 MHz; =GNDto VCC
[4] -9 - - - - - pF
74AHCT1G126
tpd propagation
delay
AtoY; see Figure7 [1]
VCC = 4.5 V to 5.5 V [3]=15pF - 3.4 5.5 1.0 6.5 1.0 7.0 ns=50pF - 4.7 7.5 1.0 8.5 1.0 9.5 ns
ten enable time OEto Y; see Figure8 [1]
VCC = 4.5 V to 5.5 V [3]=15pF - 3.4 5.6 1.0 6.3 1.0 6.5 ns=50pF - 4.8 8.0 1.0 9.0 1.0 9.0 ns
tdis disable time OEto Y; see Figure8 [1]
VCC = 4.5 V to 5.5 V [3]=15pF 4.0 6.8 1.0 8.0 1.0 8.5 ns=50pF 5.7 8.8 1.0 10.0 1.0 11.5 ns
Table 8. Dynamic characteristics …continued
GND = 0 V; For test circuit see Figure9.
NXP Semiconductors 74AHC1G126; 74AHCT1G126
Bus buffer/line driver; 3-state
[1] tpd is the same as tPLH and tPHL.
ten is the same as tPZL and tPZH.
tdis is the same as tPLZ and tPHZ.
[2] Typical values are measured at VCC = 3.3 V.
[3] Typical values are measured at VCC = 5.0 V.
[4] CPD is used to determine the dynamic power dissipation PD (W). =CPD VCC2fi+ (CL VCC2 fo)where:= input frequency in MHz;= output frequency in MHz;= output load capacitance in pF;
VCC= supply voltage in Volts.
12. Waveforms
CPD power
dissipation
capacitance
per buffer; =50pF;f= 1 MHz; =GNDto VCC
[4] -11 - - - - - pF
Table 8. Dynamic characteristics …continued
GND = 0 V; For test circuit see Figure9.
NXP Semiconductors 74AHC1G126; 74AHCT1G126
Bus buffer/line driver; 3-state
Table 9. Measurement points
74AHC1G126 0.5  VCC GND to VCC 0.5  VCC
74AHCT1G126 1.5V GND to 3.0 V 0.5  VCC
NXP Semiconductors 74AHC1G126; 74AHCT1G126
Bus buffer/line driver; 3-state
Table 10. Test data
74AHC1G126 VCC  3ns 15 pF, 50 pF 1 k open GND VCC
74AHCT1G126 3V  3ns 15 pF, 50 pF 1 k open GND VCC

Partno	Mfg	Dc	Qty	Available	Descript
74AHC1G126GV	NXP	N/a	31200	avai	Bus buffer/line driver; 3-state
74AHC1G126GW	NXP/PHILIPS	N/a	3000	avai	Bus buffer/line driver; 3-state
74AHCT1G126GW	NXP	N/a	100	avai	Bus buffer/line driver; 3-state
74AHCT1G126GW	NXP/PHILIPS	N/a	5600	avai	Bus buffer/line driver; 3-state