CD74FCT652 Datasheet, PDF (7/12 Pages) Texas Instruments – BiCMOS OCTAL BUS TRANSCEIVER AND REGISTER WITH 3-STATE OUTPUTS

CD74FCT652
BiCMOS OCTAL BUS TRANSCEIVER AND REGISTER
WITH 3-STATE OUTPUTS
SCBS734A – JULY 2000 – REVISED JULY 2000
timing requirements over recommended operating temperature conditions (unless otherwise
noted) (see Figure 2)
fclock
tw
tsu
th
Clock frequency
Pulse duration
Setup time
Hold time
CLK high or low
A before CLKAB↑ or B before CLKBA↑
A after CLKAB↑ or B after CLKBA↑
MIN MAX UNIT
85 MHz
6
ns
4
ns
2
ns
switching characteristics over recommended operating temperature conditions (unless otherwise
noted) (see Figure 2)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TA = 25°C _MIN
TYP
fmax
A or B
B or A
85
6.8
2
tpd
CLKBA or CLKAB
A or B
6.8
2
SBA or SAB†
A or B
8.3
2
ten
OE
A or B
7.5
2
tdis
OE
A or B
7.5
2
† _{These parameters are measured with the internal output state of the storage register opposite that of the bus input.}
MAX
9
9
11
10
10
UNIT
MHz
ns
ns
ns
noise characteristics, V_CC = 5 V, C_L = 50 pF, T_A = 25°C
PARAMETER
VOL(P)
VOH(V)
VIH(D)
VIL(D)
Quiet output, maximum dynamic VOL
Quiet output, minimum dynamic VOH
High-level dynamic input voltage
Low-level dynamic input voltage
MIN TYP MAX UNIT
1
V
0.5
V
2
V
0.8 V
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