74ahc1g79 NXP Semiconductors, 74ahc1g79 Datasheet - Page 2

• Manufacturer Part Number: 74ahc1g79
• Description: Single D-type Flip-flop; Positive-edge Trigger
• Manufacturer: NXP Semiconductors

Philips Semiconductors
FEATURES
DESCRIPTION
The 74AHC1G/AHCT1G79 is a
high-speed Si-gate CMOS device.
The 74AHC1G/AHCT1G79 provides
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.
FUNCTION TABLE
See note 1.
Note
1. H = HIGH voltage level;
1999 May 18
Symmetrical output impedance
High noise immunity
ESD protection:
HBM EIA/JESD22-A114-A
exceeds 2000 V;
MM EIA/JESD22-A115-A
exceeds 200 V
Low power dissipation
Balanced propagation delays
Very small 5 pin package
Output capability: standard.
Single D-type flip-flop; positive-edge trigger
CP
X = don’t care;
Q + 1 = state after the next
LOW-to-HIGH CP transition.
L = LOW voltage level;
L
= LOW-to-HIGH CP transition;
INPUTS
D
H
X
L
OUTPUT
Q + 1
H
Q
L
QUICK REFERENCE DATA
GND = 0 V; T
Notes
1. C
2. The condition is V
PINNING
t
C
C
SYMBOL
PHL
I
PD
P
f
f
C
V
i
o
/t
D
CC
PD
= input frequency in MHz;
L
PLH
= output frequency in MHz;
= output load capacitance in pF;
= C
PIN
is used to determine the dynamic power dissipation (P
= supply voltage in V.
1
2
3
4
5
PD
propagation delay
CP to Q
input capacitance
power dissipation
capacitance
amb
PARAMETER
V
CC
= 25 C; t
2
2
I
= GND to V
f
i
+ (C
SYMBOL
r
GND
V
= t
CP
D
Q
L
CC
f
V
CONDITIONS
C
V
notes 1 and 2;
C
f = 1 Mhz
3.0 ns.
CC
CC
CC
L
L
2
= 15 pF;
= 50 pF;
.
= 5 V
data input
clock pulse input
ground (0 V)
data output
DC supply voltage
f
o
) where:
3.5
1.5
15
AHC1G
DESCRIPTION
74AHCT1G79
74AHC1G79;
Product specification
TYPICAL
AHCT1G
3.5
1.5
16
D
in W).
UNIT
ns
pF
pF