74HC597(2016) 查看數據表（PDF） - NXP Semiconductors.
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74HC597 Datasheet PDF : 22 Pages
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74HC597; 74HCT597
8-bit shift register with input flip-flops
Rev. 4 — 25 February 2016
Product data sheet
1. General description
The 74HC597; 74HCT597 is an 8-bit shift register with input flip-flops. It consists of an
8-bit storage register feeding a parallel-in, serial-out 8-bit shift register. Both the storage
register and the shift register have positive edge-triggered clocks. The shift register also
has direct load (from storage) and clear inputs. Inputs include clamp diodes that enable
the use of current limiting resistors to interface inputs to voltages in excess of VCC.
2. Features and benefits
Complies with JEDEC standard JESD7A
Input levels:
For 74HC597: CMOS level
For 74HCT597: TTL level
8-bit parallel storage register inputs
Shift register has direct overriding load and clear
ESD protection:
HBM EIA/JESD22-A114F exceeds 2000 V
MM EIA/JESD22-A115-A exceeds 200 V
Specified from 40 C to +85 C and from 40 C to +125 C
Multiple package options
3. Ordering information
Table 1. Ordering information
Type number Package
Temperature range Name
74HC597D
40 C to +125 C SO16
74HCT597D
74HC597DB 40 C to +125 C SSOP16
74HCT597DB
74HC597PW 40 C to +125 C TSSOP16
Description
plastic small outline package; 16 leads; body width
3.9 mm
plastic shrink small outline package; 16 leads;
body width 5.3 mm
plastic thin shrink small outline package; 16 leads;
body width 4.4 mm
Version
SOT109-1
SOT338-1
SOT403-1
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