PSD835G2-90U STMicroelectronics, PSD835G2-90U Datasheet - Page 6

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PSD835G2-90U

Manufacturer Part Number
PSD835G2-90U
Description
IC FLASH 4MBIT 90NS 80TQFP
Manufacturer
STMicroelectronics
Datasheet

Specifications of PSD835G2-90U

Format - Memory
FLASH
Memory Type
FLASH
Memory Size
4M (512K x 8)
Speed
90ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
80-TQFP, 80-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-2015

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Contents
20
21
22
23
24
Appendix A Pin assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
6/120
19.2
19.3
19.4
Programming in-circuit using the JTAG/ISP interface . . . . . . . . . . . . . 95
20.1
20.2
20.3
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Package mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Warm Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
I/O pin, register and PLD status at Reset . . . . . . . . . . . . . . . . . . . . . . . . . 93
Reset of Flash memory erase and program cycles . . . . . . . . . . . . . . . . . 93
Standard JTAG signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
JTAG extensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Security and Flash memory protection . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
PSD835G2

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