74AHC1G79-Q100;
74AHCT1G79-Q100
Single D-type flip-flop; positive-edge trigger
Rev. 2 — 23 September 2014
Product data sheet
1. General description
74AHC1G79-Q100 and 74AHCT1G79-Q100 are high-speed Si-gate CMOS devices.
They provide a single positive-edge triggered D-type flip-flop.
Information on the data input is transferred to the Q output on the LOW-to-HIGH transition
of the clock pulse. The D input must be stable one set-up time prior to the LOW-to-HIGH
clock transition for predictable operation.
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.
This product has been qualified to the Automotive Electronics Council (AEC) standard
Q100 (Grade 1) and is suitable for use in automotive applications.
2. Features and benefits
Automotive product qualification in accordance with AEC-Q100 (Grade 1)
Specified from
40 C
to +85
C
and from
40 C
to +125
C
Symmetrical output impedance
High noise immunity
Low power dissipation
Balanced propagation delays
SOT353-1 and SOT753 package options
ESD protection:
MIL-STD-883, method 3015 exceeds 2000 V
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V (C = 200 pf, R = 0
)
NXP Semiconductors
74AHC1G79-Q100; 74AHCT1G79-Q100
Single D-type flip-flop; positive-edge trigger
3. Ordering information
Table 1.
Ordering information
Package
Temperature range Name
74AHC1G79GW-Q100
74AHCT1G79GW-Q100
74AHC1G79GV-Q100
74AHCT1G79GV-Q100
40 C
to +125
C
40 C
to +125
C
Description
Version
SOT353-1
SOT753
TSSOP5 plastic thin shrink small outline package; 5 leads;
body width 1.25 mm
SC-74A
plastic surface-mounted package; 5 leads
Type number
4. Marking
Table 2.
Marking codes
Marking
[1]
AP
A79
CP
C79
Type number
74AHC1G79GW-Q100
74AHCT1G79GW-Q100
74AHC1G79GV-Q100
74AHCT1G79GV-Q100
[1]
The pin 1 indicator is located on the lower left corner of the device, below the marking code.
5. Functional diagram
Fig 1.
Logic symbol
Fig 2.
IEC logic symbol
74AHC_AHCT1G79_Q100
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet
Rev. 2 — 23 September 2014
2 of 14
NXP Semiconductors
74AHC1G79-Q100; 74AHCT1G79-Q100
Single D-type flip-flop; positive-edge trigger
Fig 3.
Logic diagram
6. Pinning information
6.1 Pinning
Fig 4.
Pin configuration
6.2 Pin description
Table 3.
Symbol
D
CP
GND
Q
V
CC
Pin description
Pin
1
2
3
4
5
Description
data input
clock pulse input
ground (0 V)
data output
supply voltage
74AHC_AHCT1G79_Q100
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet
Rev. 2 — 23 September 2014
3 of 14
NXP Semiconductors
74AHC1G79-Q100; 74AHCT1G79-Q100
Single D-type flip-flop; positive-edge trigger
7. Functional description
Table 4.
Inputs
CP
L
[1]
H = HIGH voltage level;
L = LOW voltage level;
= LOW-to-HIGH CP transition;
X = don’t care;
Q + 1 = state after the next LOW-to-HIGH CP transition.
Function table
[1]
Output
D
L
H
X
Q+1
L
H
Q
8. Limiting values
Table 5.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
V
CC
V
I
I
IK
I
OK
I
O
I
CC
I
GND
T
stg
P
tot
[1]
[2]
Parameter
supply voltage
input voltage
input clamping current
output clamping current
output current
supply current
ground current
storage temperature
total power dissipation
Conditions
Min
0.5
0.5
Max
+7.0
+7.0
-
20
25
75
-
+150
250
Unit
V
V
mA
mA
mA
mA
mA
C
mW
V
I
<
0.5
V
V
O
<
0.5
V or V
O
> V
CC
+ 0.5 V
0.5
V < V
O
< V
CC
+ 0.5 V
[1]
20
-
-
-
75
65
T
amb
=
40 C
to +125
C
[2]
-
The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
For both TSSOP5 and SC-74A packages: above 87.5
C
the value of P
tot
derates linearly with 4.0 mW/K.
9. Recommended operating conditions
Table 6.
Recommended operating conditions
Voltages are referenced to GND (ground = 0 V).
Symbol Parameter
V
CC
V
I
V
O
T
amb
t/V
supply voltage
input voltage
output voltage
ambient temperature
input transition rise
and fall rate
V
CC
= 3.3 V
0.3 V
V
CC
= 5.0 V
0.5 V
Conditions
74AHC1G79-Q100
Min
2.0
0
0
40
-
-
Typ
5.0
-
-
+25
-
-
Max
5.5
5.5
V
CC
+125
100
20
74AHCT1G79-Q100
Min
4.5
0
0
40
-
-
Typ
5.0
-
-
+25
-
-
Max
5.5
5.5
V
CC
+125
-
20
V
V
V
C
ns/V
ns/V
Unit
74AHC_AHCT1G79_Q100
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet
Rev. 2 — 23 September 2014
4 of 14
NXP Semiconductors
74AHC1G79-Q100; 74AHCT1G79-Q100
Single D-type flip-flop; positive-edge trigger
10. Static characteristics
Table 7.
Static characteristics
Voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
Min
For type 74AHC1G79-Q100
V
IH
HIGH-level
input voltage
V
CC
= 2.0 V
V
CC
= 3.0 V
V
CC
= 5.5 V
V
IL
LOW-level
input voltage
V
CC
= 2.0 V
V
CC
= 3.0 V
V
CC
= 5.5 V
V
OH
HIGH-level
V
I
= V
IH
or V
IL
output voltage
I
O
=
50 A;
V
CC
= 2.0 V
I
O
=
50 A;
V
CC
= 3.0 V
I
O
=
50 A;
V
CC
= 4.5 V
I
O
=
4.0
mA; V
CC
= 3.0 V
I
O
=
8.0
mA; V
CC
= 4.5 V
V
OL
LOW-level
V
I
= V
IH
or V
IL
output voltage
I
O
= 50
A;
V
CC
= 2.0 V
I
O
= 50
A;
V
CC
= 3.0 V
I
O
= 50
A;
V
CC
= 4.5 V
I
O
= 4.0 mA; V
CC
= 3.0 V
I
O
= 8.0 mA; V
CC
= 4.5 V
I
I
I
CC
C
I
input leakage
current
V
I
= 5.5 V or GND;
V
CC
= 0 V to 5.5 V
1.5
2.1
3.85
-
-
-
1.9
2.9
4.4
2.58
3.94
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2.0
3.0
4.5
-
-
0
0
0
-
-
-
-
1.5
-
-
-
0.5
0.9
1.65
-
-
-
-
-
0.1
0.1
0.1
0.36
0.36
0.1
1.0
10
1.5
2.1
3.85
-
-
-
1.9
2.9
4.4
2.48
3.8
-
-
-
-
-
-
-
-
-
-
-
0.5
0.9
1.65
-
-
-
-
-
0.1
0.1
0.1
0.44
0.44
1.0
10
10
1.5
2.1
3.85
-
-
-
1.9
2.9
4.4
2.40
3.70
-
-
-
-
-
-
-
-
-
-
-
0.5
0.9
1.65
-
-
-
-
-
0.1
0.1
0.1
0.55
0.55
2.0
40
10
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
A
A
pF
25
C
Typ
Max
40 C
to +85
C 40 C
to +125
C
Unit
Min
Max
Min
Max
supply current V
I
= V
CC
or GND; I
O
= 0 A;
V
CC
= 5.5 V
input
capacitance
HIGH-level
input voltage
LOW-level
input voltage
V
CC
= 4.5 V to 5.5 V
V
CC
= 4.5 V to 5.5 V
For type 74AHCT1G79-Q100
V
IH
V
IL
V
OH
2.0
-
-
-
-
0.8
2.0
-
-
0.8
2.0
-
-
0.8
V
V
HIGH-level
V
I
= V
IH
or V
IL
; V
CC
= 4.5 V
output voltage
I
O
=
50 A
I
O
=
8.0
mA
LOW-level
V
I
= V
IH
or V
IL
; V
CC
= 4.5 V
output voltage
I
O
= 50
A
I
O
= 8.0 mA
input leakage
current
V
I
= 5.5 V or GND;
V
CC
= 0 V to 5.5 V
4.4
3.94
-
-
-
4.5
-
0
-
-
-
-
0.1
0.36
0.1
4.4
3.8
-
-
-
-
-
0.1
0.44
1.0
4.4
3.70
-
-
-
-
-
0.1
0.55
2.0
V
V
V
V
A
V
OL
I
I
74AHC_AHCT1G79_Q100
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet
Rev. 2 — 23 September 2014
5 of 14
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