SN74ALVC7803 Datasheet, PDF (10/14 Pages) Texas Instruments – 512 × 18 CLOCKED FIRST-IN, FIRST-OUT MEMORY

SN74ALVC7803
512 × 18
CLOCKED FIRST-IN, FIRST-OUT MEMORY
SDAS274 – JANUARY 1995
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS†
MIN TYP‡ MAX
UNIT
VIK
VCC = 3 V,
IIK = – 18 mA
–1.2
V
VOH
Flags
Q outputs
VCC = MIN to MAX,
VCC = 3 V,
IOH = –100 µA
IOH = – 8 mA
VCC _{– 0.2}
2.4
V
Flags, Q outputs VCC = MIN to MAX,
IOL = 100 µA
0.2
VOL
Flags
VCC = 3 V,
IOL = 8 mA
0.4
V
Q outputs
VCC = 3 V,
IOL = 16 mA
0.55
II
VCC = 3.6 V,
VI =VCC or GND
±5
µA
IOZ
VCC = 3.6 V,
VO =VCC or GND
±10
µA
ICC
VI = VCC or 0,
IO = 0
40
µA
∆ICC§
VCC = 3.6 V,
One input at VCC – 0.6 V
Other inputs at VCC or GND,
500
µA
Ci
VCC = 3.3 V,
VI = VCC or GND, f = 1 MHz
2.5
pF
Co
VCC = 3.3 V,
VO = VCC or GND, f = 1 MHz
5.5
pF
† _{For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.}
‡ _{All typical values are at VCC = 3.3 V, TA = 25°C.}
§ _{This is the supply current for each input that is at one of the specified TTL voltage levels rather than 0 V or VCC.}
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, C_L = 50 pF (unless otherwise noted) (see Figure 7)
PARAMETER
FROM
(OUTPUT)
TO
(INPUT)
" " " VCC = 3.3 V 0.3 V VCC = 3.3 V 0.3 V VCC = 3.3 V 0.3 V
MIN MAX
MIN MAX
MIN MAX
UNIT
fmax
WRTCLK or
RDCLK
50
40
25
MHz
tpd
tpd¶
RDCLK↑
Any Q
4
13
tpd
WRTCLK↑
IR
3
11
tpd
RDCLK↑
OR
3
11
tpd
WRTCLK↑
AF/AE
7
19
tpd
RDCLK↑
AF/AE
7
19
tPLH
WRTCLK↑
HF
tPHL
RDCLK↑
7
17
7
18
tPLH
tPHL
RESET low
AF/AE
HF
2
11
2
12
ten
OE1, OE2
Any Q
tdis
2
11
2
11
¶ _{This parameter is measured with a 50-pF load (see Figure 7).}
4
15
3
13
3
13
7
21
7
21
7
19
7
20
2
13
2
14
2
11
2
14
4
20
ns
3
15
ns
3
15
ns
7
23
ns
7
23
ns
7
21
ns
7
22
2
15
ns
2
16
2
14
ns
2
14
operating characteristics, V_CC = 3.3 V, T_A = 25°C
PARAMETER
Cpd
Power dissipation capacitance
Outputs enabled
TEST CONDITIONS
CL = 50 pF,
f = 5 MHz
TYP UNIT
53
pF
10
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