Philips Semiconductors
Product specification
8-bit synchronous binary down counter
ORDERING INFORMATION
PACKAGE
TYPE NUMBER
NAME
74HC40103N;
74HCT40103N
74HC40103D;
74HCT40103D
74HC40103DB;
74HCT40103DB
74HC40103PW;
DIP16
SO16
SSOP16
DESCRIPTION
plastic dual in-line package; 16 leads (300 mil); long body
74HC/HCT40103
VERSION
SOT38-1
SOT109-1
SOT338-1
SOT403-1
plastic small outline package; 16 leads; body width 3.9 mm
plastic shrink small outline package; 16 leads; body width 5.3 mm
TSSOP16 plastic thin shrink small outline package; 16 leads; body width 4.4 mm
PIN DESCRIPTION
PIN NO.
1
2
3
4, 5, 6, 7, 10, 11, 12, 13
8
9
14
15
16
SYMBOL
CP
MR
TE
P
0
to P
7
GND
PL
TC
PE
V
CC
NAME AND FUNCTION
clock input (LOW-to-HIGH, edge-triggered)
asynchronous master reset input (active LOW)
terminal enable input
jam inputs
ground (0 V)
asynchronous preset enable input (active LOW)
terminal count output (active LOW)
synchronous preset enable input (active LOW)
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
1998 Jul 08
3
ICS [ INTEGRATED CIRCUIT SYSTEMS ]
