Datasheet

SN54HC652, SN74HC652
OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCLS151E – DECEMBER 1982 – REVISED MARCH 2003
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
V
CC
T
A
= 25°C SN54HC652 SN74HC652
UNIT
V
CC
MIN MAX MIN MAX MIN MAX
UNIT
2 V 6 4.3 5.5
f
clock
Clock frequency
4.5 V
31 22 27
MHz
6 V 36 25 31
2 V 80 115 95
t
w
Pulse duration, CLKBA or CLKAB high or low
4.5 V
16 23 19
ns
6 V 14 20 16
↑ ↑
2 V 100 150 125
t
su
Setup time, A before CLKAB
↑
or B before CLKBA
↑
4.5 V 20 30 25
ns
6 V 17 26 21
↑ ↑
2 V 5 5 5
t
h
Hold time, A after CLKAB
↑
or B after CLKBA
↑
4.5 V 5 5 5
ns
6 V 5 5 5
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figure 2)
PARAMETER
FROM TO
V
CC
T
A
= 25°C SN54HC652 SN74HC652
UNIT
PARAMETER
(INPUT) (OUTPUT)
V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
2 V 6 10 4.3 5.5
f
max
4.5 V 31 40 22 27
MHz
6 V 36 45 25 31
2 V 65 180 270 225
CLKBA or CLKAB A or B
4.5 V 18 36 54 45
6 V 14 31 46 38
2 V 50 135 205 170
t
pd
A or B B or A
4.5 V 14 27 41 34
ns
6 V 11 23 35 29
†
2 V 70 190 285 240
SBA or SAB
†
A or B
4.5 V 20 38 57 48
6 V 16 32 48 41
2 V 85 245 370 305
t
en
OEBA or OEAB A or B
4.5 V 25 49 74 61
ns
6 V 20 42 63 52
2 V 50 245 370 305
t
dis
OEBA or OEAB A or B
4.5 V 23 49 74 61
ns
6 V 20 42 63 52
2 V 28 60 90 75
t
t
Any
4.5 V 8 12 18 15
ns
6 V 6 10 15 13
†
These parameters are measured with the internal output state of the storage register opposite that of the bus input.
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design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.