hef4794b NXP Semiconductors, hef4794b Datasheet - Page 3

• Manufacturer Part Number: hef4794b
• Description: 8-stage Shift-and-store Register Led Driver
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PINNING
1999 Jun 30
STR
D
CP
O
V
O
O
O
O
O
EO
V
handbook, full pagewidth
SYMBOL
SS
DD
8-stage shift-and-store register LED driver
0
S
7
6
5
4
,O
to O
S
'
3
STR
CP
EO
9 and 10
D
4 to 7
PIN
11
12
13
14
15
16
1
2
3
8
strobe input
data input
clock input
parallel outputs 0 to 3
(open drain)
ground
serial outputs
parallel output 7 (open drain)
parallel output 6 (open drain)
parallel output 5 (open drain)
parallel output 4 (open drain)
output enable input
supply voltage
STAGE 0
D
D
CP
CP
latch
FF
1
1
DESCRIPTION
O
O
O 0
O 1 O 2 O 3 O 4 O 5 O 6
D
Fig.3 Logic diagram.
STAGE 1 to 6
3
O
handbook, halfpage
STAGE 7
D
CP
D
CP
latch
FF
8
8
O
O
O 7
V SS
STR
Fig.4 Pin configuration.
CP
O 0
O 1
O 2
O 3
D
1
2
3
4
5
6
7
8
HEF4794B
D
HEF4794B
CP
latch
Q
MBD910
MBD911
15
14
13
12
10
16
11
Product specification
9
HEF4794B
O ' S
V DD
EO
O 4
O 5
O 6
O 7
O S
O S
O ' S