74AHC594DB datasheet(17/29 Pages) PHILIPS

17 / 29 page

74AHC_AHCT594_1

Product data sheet

Rev. 01 — 4 July 2006

17 of 29

Philips Semiconductors

74AHC594; 74AHCT594

8-bit shift register with output register

tsu

set-up time

DS to SHCP

CL = 50 pF; see Figure 11

3.0

set-up time

SHR to STCP

CL = 50 pF; see Figure 12

5.0

set-up time

SHCP to STCP

CL = 50 pF; see Figure 10

5.0

hold time DS to SHCP

see Figure 11

2.0

trec

recovery time

SHR to SHCP

CL = 50 pF; see Figure 13

2.9

recovery time

STR to STCP

CL = 50 pF; see Figure 14

3.4

fmax

maximum frequency

SHCP or STCP

CL = 50 pF; see Figure 9 and

Figure 10

160

MHz

CPD

power dissipation

capacitance

VI = GND to VCC; VCC =5V;

CL = 50 pF; fi = 1 MHz

[2] -55

Tamb = −40 °C to +85 °C

tPLH

LOW-to-HIGH

propagation delay

SHCP to Q7S

see Figure 9

CL = 15 pF

1.7

7.2

CL = 50 pF

2.2

9.1

tPHL

HIGH-to-LOW

propagation delay

SHCP to Q7S

see Figure 9

CL = 15 pF

1.8

7.6

CL = 50 pF

2.4

10.1

tPLH

LOW-to-HIGH

propagation delay

STCP to Qn

see Figure 10

CL = 15 pF

1.8

6.5

CL = 50 pF

2.6

8.8

tPHL

HIGH-to-LOW

propagation delay

STCP to Qn

see Figure 10

CL = 15 pF

1.9

6.9

CL = 50 pF

2.6

9.7

tPHL

HIGH-to-LOW

propagation delay

SHR to Q7S

see Figure 13

CL = 15 pF

2.4

8.0

CL = 50 pF

2.7

10.1

HIGH-to-LOW

propagation delay

STR to Qn

see Figure 14

CL = 15 pF

2.3

8.4

CL = 50 pF

3.1

10.7

pulse width HIGH or

LOW SHCP and STCP

CL = 50 pF; see Figure 9 and

Figure 10

6.0

pulse width HIGH or

LOW SHR and STR

CL = 50 pF; see Figure 13 and

Figure 14

5.5

Table 9.

Dynamic characteristics type 74AHCT594 …continued

GND = 0 V; tr = tf ≤ 3.0 ns; VCC = 4.5 V to 5.5 V; see Figure 15

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

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