CY7C335-66PC Cypress Semiconductor Corporation., CY7C335-66PC Datasheet

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CY7C335-66PC

Manufacturer Part Number
CY7C335-66PC
Description
Universal Synchronous EPLD
Manufacturer
Cypress Semiconductor Corporation.
Datasheet

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CY7C335-66PC
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CY7C335-66PC
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Features
Cypress Semiconductor Corporation
• 100-MHz output registered operation
• Twelve I/O macrocells, each having:
• Bypass on input and output registers
• All twelve macrocell state registers can be hidden
• User configurable I/O macrocells to implement JK or
• Input multiplexer per pair of I/O macrocells allows I/O
• Four dedicated hidden registers
• Twelve dedicated registered inputs with individually
• Three separate clocks—two input clocks, two output
• Common (pin 14-controlled) or product term-controlled
• 256 product terms—32 per pair of macrocells, variable
• Global, synchronous, product term-controlled, state
Logic Block Diagram
RS flip-flops and T or D registers
pin associated with a hidden macrocell state register
to be saved for use as an input
programmable bypass option
clocks
output enable for each I/O pin
distribution
register set and reset—inputs to product term are
clocked by input clock
— Registered, three-state I/O pins
— Input and output register clock select multiplexer
— Feed back multiplexer
— Output enable (OE) multiplexer
OE/I
I/O
9
14
15
11
11
19
I/O
I
13
16
10
10
11
I/O
12
17
I
9
9
17
I/O
11
18
I
8
8
13
I/O
I
10
19
7
7
3901 North First Street
PROGRAMMABLE AND ARRAY
15
I/O
I
20
6
9
6
13
V
V
21
8
(258x68)
SS
SS
17
11
V
Functional Description
The CY7C335 is a high-performance, erasable, programma-
ble logic device (EPLD) whose architecture has been opti-
mized to enable the user to easily and efficiently construct very
high performance state machines.
The architecture of the CY7C335, consisting of the user-con-
figurable output macrocell, bidirectional I/O capability, input
registers, and three separate clocks, enables the user to de-
sign high-performance state machines that can communicate
either with each other or with microprocessors over bidirec-
tional parallel buses of user-definable widths.
The four clocks permit independent, synchronous state ma-
chines to be synchronized to each other.
The user-configurable macrocells enable the designer to des-
ignate JK-, RS-, T-, or D-type devices so that the number of
product terms required to implement the logic is minimized.
The CY7C335 is available in a wide variety of packages in-
cluding 28-pin, 300-mil plastic and ceramic DIPs, PLCCs, and
LCCs.
22
7
I
CC
5
• 28-pin, 300-mil DIP, LCC, PLCC
• Erasable and reprogrammable
• Programmable security bit
19
Universal Synchronous EPLD
— 2-ns input set-up and 9-ns output register clock to
— 10-ns input register clock to state register clock
output
15
23
I/O
6
I
4
5
San Jose
13
I/O
24
5
I
3
4
17
25
I/O
4
I
2
July 1991 – Revised March 26, 1997
3
CA 95134
I
11
1
/CLK3
I/O
26
3
2
I
0
19
/CLK2
I/O
27
2
1
CY7C335
CLK1
9
fax id: 6018
I/O
28
1
408-943-2600
0
C335–1

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CY7C335-66PC Summary of contents

Page 1

... The user-configurable macrocells enable the designer to des- ignate JK-, RS-, T-, or D-type devices so that the number of product terms required to implement the logic is minimized. The CY7C335 is available in a wide variety of packages in- cluding 28-pin, 300-mil plastic and ceramic DIPs, PLCCs, and LCCs. I ...

Page 2

... I C335–3 CY7C335–66 CY7C335–50 66.6 66.6 140 160 Function Output Enable Controlled by Product Term Output Enable Controlled by Pin 14 State Register Output is Fed Back to Input Array I/O Macrocell is Configured as an Input and Output of Input Path is Fed to Array ICLK1 Controls the Input Register I/O Macrocell ...

Page 3

... State Selects Data from I/O Macrocell Input Path of Macrocell A of Macrocell Pair 1—Programmed Selects Data from I/O Macrocell Input Path of Macrocell B of Macrocell Pair 1 INPUT INPUTREGISTER BYPASS INPUT CLOCK 1 MUX C6 Figure 1. CY7C335 Input Macrocell 3 CY7C335 Function TO ARRAY REG MUX C7 C335–4 ...

Page 4

... CLK 1 MUX SCLK2 RESET PRODUCT TERM 0 TO ARRAY FEED BACK MUX 1 C1 ICLK1 ICLK2 0 TO ARRAY SHARED INPUT MUX 1 FROM ADJACENT MACROCELL CX (11 – 16) Figure 2. CY7C335 Input/Output Macrocell C0 OUTPUT REG 1 BYPASS MUX OUTPUT PIN 14: OE ENABLE 0 MUX INPUT INPUT REGISTER REG ...

Page 5

... Figure 3. CY7C335 Hidden Macrocell SCLK2 TO OUTPUT MACROCELLS AND HIDDEN MACROCELLS PIN 1 1 ICLK1 ICLK2 MUX 0 C9 PIN 2 0 MUX 1 C8 PIN 3 1 MUX 0 C10 Figure 4. CY7C335 Input Clocking Scheme STATE Q CLK R MUX C5 C335–6 SCLK1 TO OUTPUT MACROCELLS AND HIDDEN MACROCELLS 1 MUX 0 1 MUX ...

Page 6

... V = Max GND CC IN Outputs Open V = Max., CC Outputs Disabled (in High Z State), Device Operating at f External (f MAX MAX5 Test Conditions MHz 2. MHz OUT 6 CY7C335 Ambient Temperature + 10% – + 10% – +125 C 5V 10% Min. Max. Com’l 2.4 Mil/Ind Com’l 0.5 Mil/Ind [3] 2.2 [3] 0.8 – ...

Page 7

... GND 3 ns OUTPUT =2.00V (d) Three-state Delay Load (Load2) Output Waveform Measurement Level V OH 0. 0. 0.5V Figure 5. Test Waveforms 7 CY7C335 ALL INPUT PULSES 90% 90% 10 C335–11 (b) R=125 (190 MIL C335– C335–12 C335–13 C335–14 C335–15 C335– ...

Page 8

... Output Data Stable from Input Clock Minus Input IOH IH 33x Register Hold Time for 7C335 t Pin 14 Enable to Output Enabled PZX t Pin 14 Disable to Output Disabled PXZ f Maximum Frequency of (2) CY7C335s in Input Reg- MAX1 istered Mode (Lowest of 1/(t [5] 1/( Maximum Frequency Data Path in Input Registered MAX2 ...

Page 9

... Delay (Through Logic Array) Notes: 6. This specification is intended to guarantee interface compatibility of the other members of the CY7C330 family with the CY7C335. This specification is met for the devices operating at the same ambient temperature and at the same power supply voltage. 7. This part has been designed with the capability to reset during system power-up. Following power-up, the input and output registers will be reset to a logic LOW state ...

Page 10

... Output Data Clock Stable Time From Output Clock Minus OH2 IH Input Register Hold Time f Maximum Frequency with Internal Feedback in Output Reg- MAX3 [5] istered Mode f Maximum Frequency of (2) CY7C335s in Output Registered MAX4 Mode (Lower of 1/( Maximum Frequency Data Path in Output Registered Mode MAX5 (Lowest of 1/(t ), 1/( – ...

Page 11

... Switching Waveform INPUTOR I/O PIN t IS INPUT REG. CLOCK OUTPUT REG. CLOCK t IOH OUTPUT t PD PIN [7] Power-Up Reset Waveform 90 OUTPUT CLOCK COS t ICO t ICER PXZ t POR 11 CY7C335 ICEA t PZX C335–20 t COS t WL C335–21 ...

Page 12

... Block Diagram (Page SCLK1 1 (C9 (C6,7) (C8) (C10) 3 (C6,7) 4 (C6,7) 5 (C6,7) 6 (C6,7) 7 (C6,7) SCLK2 LOWER SECTION 12 CY7C335 64 RESET node= node= node= node= node=34 11 node=33 ...

Page 13

... Block Diagram (Page UPPER SECTION 9 (C4,5) 10 (C4,5) 11 (C4,5) 12 (C4,5) 13 (C4,5) 14 (C4, SET CY7C335 15 20 node= node=32 13 node= node= node= node=30 OE C335–23 ...

Page 14

... CY7C335–83LMB CY7C335–83QMB CY7C335–83WMB 140 CY7C335–83HC CY7C335–83JC CY7C335–83WC 66.6 160 CY7C335–66QMB 140 CY7C335–66HC CY7C335–66JC CY7C335–66PC CY7C335–66WC 50 140 CY7C335–50JC CY7C335–50PC MILITARY SPECIFICATIONS Group A Subgroup Testing DC Characteristics Parameter Subgroups ...

Page 15

... Package Diagrams 28-Lead (300-Mil) CerDIP D22 MIL-STD-1835 D–15 Config.A 28-Square Leadless Chip Carrier L64 MIL-STD-1835 C–4 28-Lead Plastic Leaded Chip Carrier J64 28-Pin Windowed Leadless Chip Carrier Q64 MIL-STD-1835 C–4 15 CY7C335 ...

Page 16

... Package Diagrams (continued) 28-Pin Windowed Leaded Chip Carrier H64 16 CY7C335 ...

Page 17

... The inclusion of Cypress Semiconductor products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress Semiconductor against all charges. 28-Lead (300-Mil) Molded DIP P21 28-Lead (300-Mil) Windowed CerDIP W22 MIL-STD-1835 D– 15Config.A CY7C335 ...

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