Operating instructions
5-5
DFP-R3000
IC
CY7C199-20VC (CYPRESS)J-LEADED PACKAGE
INPUT GATE
INPUT BUFFER
ROW DECODER
SENSE AMPS
OUTPUT GATE
1024 x 32 x 8
ARRAY
POWER
DOWN
COLUMN
DECODER
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
CE
WE
OE
21
23
24
25
26
1
2
3
4
5
20
27
A10
A11
A12
A13
A14
6
7
8
9
10
22
D0 - D7
11 - 13,
15 - 19
DS1000Z-150(TE2)
DS1000Z-25 (DALLAS)FLAT PACKAGE
DS1000Z-25(TE2)
INPUT
TAP2
OUT
TAP4
OUT
TAP1
OUT
TAP2
OUT
TAP5
OUT
1
2
3
4
8
7
6
5
V
DD
GND
TAP1
TAP2
TAP3
TAP4
TAP5
7
2
6
3
5
1
INPUT
20% 20% 20% 20% 20%
1
INPUT
TAP1
TAP2
TAP3
TAP4
TAP5
72635
TYPE. NO.
DELAY TIME
(
ns
)
TAP1
10
12
15
20
25
30
35
40
50
100
5
20
30
TAP2
20
24
30
40
50
60
70
80
100
200
10
40
60
TAP3
30
36
45
60
75
90
105
120
150
300
15
60
90
TAP4
40
48
60
80
100
120
140
160
200
400
20
80
120
TAP5
50
60
75
100
125
150
175
200
250
500
25
100
150
DS1000M-50
DS1000M-60
DS1000M-75
DS1000M-100
DS1000M-125
DS1000M-150
DS1000M-175
DS1000M-200
DS1000M-250
DS1000M-500
DS1000Z-25
DS1000Z-100
DS1000Z-150
C-MOS DELAY LINE
—TOP VIEW—
LM2587SX-5.0 (NS)
1
2
3
4
5
1
2
3
4
5
: COMPENSATION
: FEED BACK
: GND
: SWITCH
: VIN
FLYBACK REGULATOR
—SIDE VIEW—
SWITCH
4
_
+
+
_
+
CURRENT LIMITER
THERMAL LIMITER &
UNDER VOLTAGE SHUTDOWN
0.3 V
1.23 V
R
SENSE
R1
R2
SOFT
START
CONTROL
LOGIC
100 kHz
OSCILLATOR
_
+
DRIVER
AMP
REG
VIN
INT
VOLTAGE
5
FEEDBACK
2
COMPENSATION
1
GND
3
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
D0
D1
D2
V
DD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
WE
A4
A3
A2
A1
OE
A0
CE
D7
D6
D5
D4
D3
GND
28
27
26
25
24
23
22
21
20
19
18
17
16
15
21
23
24
25
26
1
2
3
4
5
6
7
8
9
10
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
D0
D1
D2
D3
D4
D5
D6
D7
11
12
13
15
16
17
18
19
CE WE
20 27
OE
22
A0 - A14
CE
D0 - D7
OE
WE
: ADDRESS INPUTS
: CHIP ENABLE
: DATA INPUTS/OUTPUTS
: OUTPUT ENABLE
: WRITE ENABLE
C-MOS 256 K
(
32,768 x 8
)
-BIT SRAM
—TOP VIEW—