SNx4HC595 8-Bit Shift Registers With 3-State Output Registers

1 Features

8-bit serial-in, parallel-out shift
Wide operating voltage range of 2 V to 6 V
High-current 3-state outputs can drive up to 15 LSTTL loads
Low power consumption: 80-μA (maximum) I_CC
t_pd = 13 ns (typical)
±6-mA output drive at 5 V
Low input current: 1 μA (maximum)
Shift register has direct clear
On products compliant to MIL-PRF-38535,
all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters.

2 Applications

Network switches
Power infrastructure
LED displays
Servers

3 Description

The SNx4HC595 devices contain an 8-bit, serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. The storage register has parallel 3-state outputs. Separate clocks are provided for both the shift and storage register. The shift register has a direct overriding clear (SRCLR) input, serial (SER) input, and serial outputs for cascading. When the output-enable (OE) input is high, the outputs are in the high-impedance state.

Device Information

PART NUMBER	PACKAGE⁽¹⁾	BODY SIZE (NOM)
SN54HC595FK	LCCC (20)	8.89 mm × 8.89 mm
SN54HC595J	CDIP (16)	21.34 mm × 6.92 mm
SN74HC595N	PDIP (16)	19.31 mm × 6.35 mm
SN74HC595D	SOIC (16)	9.90 mm × 3.90 mm
SN74HC595DW	SOIC (16)	10.30 mm × 7.50 mm
SN74HC595DB	SSOP (16)	6.20 mm × 5.30 mm
SN74HC595PW	TSSOP (16)	5.00 mm × 4.40 mm

(1) For all available packages, see the orderable addendum at the end of the data sheet.

Functional Block Diagram