
74HC_HCT595 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved.
Product data sheet Rev. 6 — 12 December 2011 11 of 24
NXP Semiconductors 74HC595; 74HCT595
8-bit serial-in, serial or parallel-out shift register with output latches;
3-state
tsu set-up time DS to SHCP; see Figure 10
VCC = 2 V 50 11 - 6 5 - 75 - ns
VCC = 4.5 V 10 4 - 13 - 15 - ns
VCC = 6 V 9 3 - 11 - 13 - ns
SHCP to STCP;
see Figure 11
VCC = 2 V 75 22 - 95 - 110 - ns
VCC = 4.5 V 15 8 - 19 - 22 - ns
VCC = 6 V 13 7 - 16 - 19 - ns
thhold time DS to SHCP; see Figure 11
VCC = 2 V 3 6- 3 - 3 - ns
VCC = 4.5 V 3 2- 3 - 3 - ns
VCC = 6 V 3 2- 3 - 3 - ns
trec recovery
time MR to SHCP; see Figure 12
VCC = 2 V 50 19 - 65 - 75 - ns
VCC = 4.5 V 10 7- 13 - 15 - ns
VCC = 6 V 9 6- 11 - 13 - ns
fmax maximum
frequency SHCP or STCP;
see Figure 9 and 10
VCC = 2 V 9 30 - 4.8 - 4 - MHz
VCC = 4.5 V 30 91 - 24 - 20 - MHz
VCC = 6 V 35 108 - 2 8 - 24 - MHz
CPD power
dissipation
capacitance
fi = 1 MHz; VI=GNDtoV
CC [6][7] -115- - - - - pF
74HCT595; VCC = 4.5 V to 5.5 V
tpd propagation
delay SHCP to Q7S; see Figure 9 [2] -2542- 53 - 63ns
STCP to Qn; see Figure 10 [2] -2440- 50 - 60ns
MR to Q7S; see Figure 12 [3] -2340- 50 - 60ns
ten enable time OE to Qn; see Figure 13 [4] -2135- 44 - 53ns
tdis disable time OE to Qn; see Figure 13 [5] -1830- 38 - 45ns
tWpulse width SHCP HIGH or LOW;
see Figure 9 16 6 - 20 - 24 - ns
STCP HIGH or LOW;
see Figure 10 16 5 - 20 - 24 - ns
MR LOW; see Figure 12 20 8 - 25 - 30 - ns
tsu set-up time DS to SHCP; see Figure 10 16 5 - 20 - 24 - ns
SHCP to STCP;
see Figure 11 16 8 - 20 - 24 - ns
thhold time DS to SHCP; see Figure 11 32- 3 - 3 - ns
Table 7. Dynamic characteristics …continued
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 14.
Symbol Parameter Conditions 25 C40 C to +85 C40 C to +125 CUnit
Min Typ[1] Max Min Max Min Max