參數(shù)資料
型號(hào)： CY7C277-50WMB
廠商： CYPRESS SEMICONDUCTOR CORP
元件分類： DRAM
英文描述： 32K x 8 Reprogrammable Registered PROM
中文描述： 32K X 8 UVPROM, 25 ns, CDIP28
封裝： 0.300 INCH, WINDOWED, SLIM, HERMETIC SEALED, CERDIP-28
文件頁(yè)數(shù)： 1/13頁(yè)
文件大?。?/td> 431K
代理商： CY7C277-50WMB
32K x 8 Reprogrammable Registered PROM
CY7C277
Cypress Semiconductor Corporation
Document #: 38-04006 Rev. **
3901 North First Street
San Jose
CA 95134
408-943-2600
Revised March 4, 2002
77
Features
Windowed for reprogrammability
CMOS for optimum speed/power
High speed
—30-ns address set-up
—15-ns clock to output
Low power
—60 mW (commercial)
—715 mW (military)
Programmable address latch enable input
Programmable synchronous or asynchronous output
enable
On-chip edge-triggered output registers
EPROM technology, 100% programmable
Slim 300-mil, 28-pin plastic or hermetic DIP
5V
±
10% V
CC
, commercial and military
TTL-compatible I/O
Direct replacement for bipolar PROMs
Capable of withstanding greater than 2001V static dis-
charge
PROGRAMMABLE
MULTIPLEXER
PROGRAMMABLE
CP/ALEOPTIONS
Logic Block Diagram
Pin Configurations
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
15
17
18
19
20
24
23
22
21
25
28
27
26
A
9
A
8
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
O
0
O
1
O
2
GND
V
CC
A
10
A
11
A
12
A
13
A
14
ALE
CP
E/E
S
O
7
O
6
O
5
O
4
O
3
12
13
O
0
31
4
5
6
7
8
9
10
11
3 2 1
30
14151617
26
25
24
23
22
21
A
VC
A
6
A
5
A
4
A
3
A
2
A
1
A
0
NC
A
13
A
14
NC
ALE
CP
E/E
S
O
7
O
6
O
G
LCC/PLCC (Opaque Only)
Top View
A
12
A
O
O
O
181920
27
28
29
32
O
A
A
A
N
N
A
14
A
13
A
12
A
11
A
10
A
9
A
8
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
8-BIT
1 OF 128
MUX
E/E
S
CP
15-BIT
ADDRESS
TRANSPARENT/
LATCH
256 x 1024
PROGRAMMABLE
ARRAY
8-BIT
EDGE-
TRIGGERED
REGISTER
ROW
DECODER
1 OF 256
ALE
COLUMN
DECODER
1 OF 32
ALE
CP
D
C
Q
DIP/Flatpack
Top View
Y
ADDRESS
X
ADDRESS
O
7
O
6
O
5
O
4
O
3
O
2
O
1
O
0
Selection Guide
7C277-30
7C277-40
7C277-50
Minimum Address Set-Up Time (ns)
30
40
50
Maximum Clock to Output (ns)
15
20
25
Maximum Operating
Current (mA)
Com
’
l
120
120
120
Mil
130
130
相關(guān)PDF資料
PDF描述
CY7C277-30PC 32K x 8 Reprogrammable Registered PROM
CY7C277-30WC 32K x 8 Reprogrammable Registered PROM
CY7C277-40DMB 32K x 8 Reprogrammable Registered PROM
CY7C277-40JC 32K x 8 Reprogrammable Registered PROM
CY7C277-40KMB 32K x 8 Reprogrammable Registered PROM
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